Attachment 0004 - Specification Conversion Table and Deviation Package 04 Nov 2019.pdf

04 November 2019 supersedes all previous revisions

SPECIFICATION CONVERSION TABLE AND DEVIATION PACKAGE

This package contains the Specification Conversion Table and active deviations applicable to US Army Airdrop. Not all deviations provided in this package will apply to this contract. A deviation shall only apply if its specification is identified in the associated Technical Data Package (TDP) or contract. Any questions regarding applicability to this contract shall be addressed to the Contracting Officer.

Table of Contents:

TITLE

DATE

ATTACHMENT#

Specification Conversion Table

Engineering Support Changes to A-A-59467, Webbing, Textile, Woven, Polypropylene

Deviation List for A-A-59826A dated 05 May 2016 Commercial Item Description, Thread, Nylon

Deviation List for Detail Specification MIL-DTL-32439 Cloth, Duck, Textured Nylon

Deviation to MIL-DTL-6645J Parachutes, Personnel, General Specifications for

Deviation List for Detail Specification MIL-DTL-7567C Parachutes, Personnel, Detail Manufacturing Instructions for

Deviation List for Detail Specification MIL-DTL-7620 Parachutes and Components, Cargo, Extraction and Deceleration, General Specification for

Deviation for MIL-DTL-10884H, Detail Specification Fasteners, Snap

Deviation List for Military Specification MIL-DTL-32075

Deviation List for Detail Specification MIL-DTL-44036

Deviation List for MIL-STD-849C Inspection Requirements, Definitions and Classifications of Defects for Parachutes

Alternative Mildew Treatment for Copper-8-Quinolinolate

Color Shade Matching Requirements for Parachute Canopies, Personnel and Cargo

Deviation for ASTM D6193 Standard Practice for Stitches and Seams

Deviation List for PIA-W-27265 Webbing, Textile, Woven Nylon Impregnated

Deviation List for PIA-W-4088 Webbing, Textile, Woven Nylon

Deviation List for PIA-W-1101 Webbing, Textile Polyester Tube Edge

16 December 2009

26 January 2017

02 February 2017

06 July 2018

28 October 2019

10 September 2015

31 December 2012

04 January 2008

13 March 2008

31 January 2002

6 September 2011

15 May 2013

16 December 2015

13 January 2017

10 May 2017 all previous revisions

Attachment 1

SPECIFICATION CONVERSION TABLE

1. The following is a list of Parachute Industry Association (PIA) textile specifications which are to be used to replace MILITARY STANDARDS/SPECIFICATIONS called out in the Technical Data Package (TDP) for parachutes and other aerial delivery equipment for the U.S. Army. Future revisions of the TDP may or may not reference PIA specifications. Only those PIA specifications listed below are authorized for direct replacements in contracts for parachutes and other aerial delivery equipment for the U.S. Army.

The most current revision level shall be used for the solicitation/contract unless stated in this document or amended by the Contracting Officer. PIA specifications are available at https://www.pia.com.

Textile specifications.

PIA-C-419B

PIA-C-2001A

PIA-C-2002A

PIA-C-2003A

PIA-C-3395D

PIA-C-3953F

PIA-C-5646D

PIA-C-7020E

PIA-C-7219C

PIA-C-7350D

PIA-C-44375C

PIA-T-43618C

PIA-C-43805C

PIA-C-44378E

PIA-T-1001A*

PIA-T-5038G

PIA-T-5661D

PIA-T-6134C

PIA-T-87130C

PIA-W-530B

PIA-W-4088F

PIA-W-5625F

PIA-W-5664C

PIA-W-5665D

PIA-W-17337B

PIA-W-27265D

PIA-W-27657C

PIA-C-2754D

PIA-C-5040F

PIA-C-5651C

PIA-C-7515F

Replaces

CCC-C-419

MIL-C-10296

CCC-C-419, CCC-D-950, NPS001

CCC-C-430

MIL-C-3395

MIL-C-3953

MIL-C-5646

MIL-C-7020

MIL-C-7219

MIL-C-7350

MIL-C-44375

MIL-T-43618

MIL-C-43805 and A-A-55183

MIL-C-44378

MIL-T-6134, Type I only

MIL-PRF-5038

MIL-T-5661

MIL-T-6134, all types except Type I

MIL-T-87130

MIL-W-530

MIL-W-4088

MIL-W-5625

MIL-W-5664

MIL-W-5665

MIL-W-17337

MIL-W-27265

MIL-W-27657 and AMS 3718 T-C-2754

MIL-C-5040

MIL-C-5651

MIL-C-7515

*PIA-T-1001 replaces only Type I of MIL-T-6134.

https://www.pia.com/

SPECIFICATION CONVERSION TABLE (continued) 04 November 2019

1.A The following is a list of PIA textile specifications used in TDPs which do not replace military specifications. The most current revision level shall be used for the solicitation/contract unless stated in this document or amended by the Contracting Officer. PIA specifications are available at https://www.pia.com.

PIA-W-1002C

PIA-W-1100B*

PIA-W-1101

*PIA-W-1100 replaces PIA-W-1003, -1004, -1005 and -1006.

2. The following is a list of PIA textile specifications which may be used as direct replacements for MILITARY STANDARDS/SPECIFICATIONS. Future revisions of the TDP may or may not reference PIA specifications. The most current revision level shall be used for the solicitation/contract unless stated in this document or amended by the Contracting Officer. The following specifications are available at https://www.pia.com and https://assist.dla.mil.

Textile specifications.

PIA-T-5666D Replaces MIL-T-5666 and A-A-55208

PIA-W-25361C

PIA-W-43668D

MIL-W-25361 and A-A-55242 MIL-W-43668 and A-A-55301

3. The following is a list of PIA hardware specifications which are to be used to replace MILITARY STANDARDS/SPECIFICATIONS. Future revisions of the TDP may or may not reference PIA specifications.

The most current revision level shall be used for the solicitation/contract unless stated in this document or amended by the Contracting Officer. PIA specifications are available at https://www.pia.com.

Hardware standards.

PS22002D Replaces MS22002

PS22003C

" MS22003

PS22004C

" MS22004

PS22007D " MS22007

PS22010B " MS22010

PS22014D " MS22014

PS22017D " MS22017

PS22018C " MS22018

PS22019C " MS22019

PS22020D " MS22020

PS22021C " MS22021

PS22022C " MS22022

PS22040D " MS22040

PS22042D " MS22042

PS22043C " MS22043

PS22044C " MS22044

PS22045B " MS22045

PS22046C " MS22046

https://www.pia.com/ https://www.pia.com/ https://assist.dla.mil/

PS22047C " MS22047

PS24553C " MS24553

PS27756C " MS27756

PS27762D " MS27762

PS27763C " MS27763

PS27764C " MS27764

PS27765C " MS27765

PS27767C " MS27767

PS70085C " MS70085

PS70086C " MS70086

PS70087C " MS70087

PS70092 " MS70092

PS70099B " MS70099

PS70101D " MS70101

PS70102C " MS70102

PS70104C " MS70104

PS70105B " MS70105

PS70106C " MS70106

PS70107B " MS70107

PS70108C " MS70108

PS70113C " MS70113

PS70114C " MS70114

PS70115C " MS70115

PS70116C " MS70116

PS70118B

" MS70118

PS70120C " MS70120

PS70121G " PS70119, MS70119, MS70121

PS70123C " MS70123

PS70124D " MS70124

PS90295A " MS90295

PS90296A " MS90296

4. The following is a list of specifications which have been approved to replace canceled specifications.

Types, classes, etc. remain the same between the replacement and the canceled specification unless otherwise detailed within the specification. The most current revision level shall be used for the solicitation/contract unless stated in this document or amended by the Contracting Officer. The following specifications are available from: https://assist.dla.mil, https://www.aia-aerospace.org, https://www.astm.org, https://www.pia.com, and https://www.sae.org.

A-A-52080B A-A-52094B A-A-55126C A-A-59291A

Replaces

Cancels

MIL-T-43435

V-T-276

MIL-F-21840

MIL-I-6903

A-A-59826A A-A-59989

V-T-295

MIL-T-43624

https://assist.dla.mil/ https://www.aia-aerospace.org/ https://www.astm.org/ https://www.sae.org/

AIA/NAS NASM16491

ASTM D3990

ASTM D5486/D5486M*

ASTM D6193

MIL-DTL-32075

MIL-DTL-32439A

MIL-PRF-6855F

PIA-DTL-40137C

PIA-H-7195C

MIL-G-16491

FED-STD-4B

PPP-T-60

FED-STD-751

DDD-L-20

MIL-C-43734

MIL-R-6855, AMS-R-6855

MIL-DTL-40137

MIL-H-7195

AMS-STD-595A

FED-STD-595

*Direct replacement for Type IV only

5. The following is a list of various colors, types and classes called out in specifications which supersede the requirements as specified in the TDPs. The TDPs may have been updated to reflect the changes, thus there may be duplication between this document and TDP requirements. NOTE:

Personnel static lines manufactured IAW MIL-DTL-6645 are not included in this tabulation.

Materials as specified in the TDP for construction of the static lines must be used.

5.A Color.

When a shade of Olive Drab, Olive Green or Camouflage 483 is specified, use color Foliage Green 504 (FG 504).

When Woodland Camouflage pattern is specified, use the Operational Camouflage Pattern (OCP).

See AMS-STD-595A for further information on color chip, color selection, color matching and quality control inspection.

5.B Thread, nylon, A-A-59826.

The use of Types I or II and Class A are authorized for use. When Type I, II or III is called out, Types I or II are authorized for use. When Class B is called out, Class A is authorized for use.

5.C Tape and webbing, nylon, PIA-W-4088 and PIA-T-5038.

Except for PIA-T-5038 Type VII, the use of Class 2 is authorized. When a Class 1 or 1a is called out, Class 2 is authorized for use as an alternative. When Class 2 is called out, Class 1 or 1a is authorized for use as an alternative. For PIA-T-5038 Type VII, only Class 1 is authorized for use.

5.D Cloth, duck, nylon, PIA-C-3953.

Where “PIA-C-3953 Class 2 for parachute procurement only, 0.3–0.4 lbs warp/0.4–0.5 lbs filling”, is called out, “PIA-C-3953 Class 3” is authorized for use. Where “PIA-C-3953 Class 2 extra stiff, 0.45-0.65 lbs warp/0.65-0.85 lbs filling”, is called out, “PIA-C-3953 Class 2” is authorized for use, unless amended by the Contracting Officer.

5.E Cloth, duck, plied-yarns, dyed, army duck, PIA-C-2002.

Where PIA-C-2002, 8.25oz is called out, PIA-C-2002 Type I is authorized for use. Where PIA-C-2002, 12.29oz is called out, PIA-C-2002 Type II is authorized for use. Where PIA-C-2002, 8.25 or 12.29oz is called out, Type I or II is authorized for use, unless amended by the Contracting Officer.

5.F Webbing, textile, elastic, PIA-W-5664.

Where PIA-W-5664, Type I, Class 3, 1 ½ inch is called out, PIA-W-5664 Type I, Class 3, 1 ½ inch or Type I, Class 4, 1 ½ inch is authorized for use, unless amended by the Contracting Officer.

5.G MIL-DTL-32439 supersedes MIL-C-43734. The types and classes have been updated and are not the same between the two specifications. Where MIL-C-43734 Class 3 is called out, MIL-DTL-32439 Type I, Class 3, Style A is authorized for use. Supersession data can be found in MIL-DTL-32439 paragraph 6.6.

5.H Cloth, plain weave, nylon: water repellent treated and untreated, MIL-DTL-43128.

“Cloth, plain weave, nylon: water repellent, OG-106, MIL-C-43128” has been updated to “Cloth, plain weave, nylon: water repellent treated and untreated, MIL-DTL-43128”. Types and classes have been added to MIL-DTL-43128 which were not present in MIL-C-43128. Where MIL-C-43128 is called out, MIL- DTL-43128 Type II, Class 8 is authorized for use, except when used on T11R Ejector Spring Assy, PN 11-1- 7065. When used on T11R Ejector Spring Assy, PN 11-1-7065, MIL-DTL-43128 Type III, Class 8 is authorized for use. When MIL-C-43128 is called out to be untreated per Vendor Item Drawing 11-1-9288, MIL-DTL-43128 Type I, Class 8 is authorized for use.

6. The following is a list of all active deviations for specifications, drawings and requirements for use on contracts for parachutes and other aerial delivery equipment for the US Army.

Specification/Requirement Date A-A-59467 16 Dec 2009 A-A-59826A 26 Jan 2017

MIL-DTL-32439

MIL-DTL-6645J

02 Feb 2017 06 July 2018

MIL-DTL-7567C

MIL-DTL-7620

MIL-DTL-10884H

28 Oct 2019 10 Sept 2015 31 Dec 2012

MIL-DTL-32075

MIL-DTL-44036

MIL-STD-849C

PIA-W-1101

PIA-W-4088

PIA-W-27265

Alternative Mildew Treatment for Copper-8 Quinolinolate Color Shade Match Requirements

ASTM D6193

04 Jan 2008

04 Nov 2019 10 May 2017 13 Jan 2017 16 Dec 2015 31 Jan 2002 06 Sept 2011 15 May 2013

9. Bold print signifies updates to this document.

Engineering Support Changes to: A-A-59467, Webbing, Textile, Woven, Polypropylene

Attachment 2

Page 1, Paragraph 3.:

1 Delete sentence “The webbing shall be made with 100% Polypropylene yarn.” and

2 Replace with the following: “The webbing shall be made with 100% Polypropylene yarn and the yarn shall have an Ultraviolet Stabilization package.”

Page 2, Paragraph 3.3:

1 Under “Requirement” column for “Weight” delete “1.4 to 1.8 oz/ yd” and substitute “1.40 to

1.95 oz/yd”.

2 Under “Requirement” column for “Elongation”, delete “11% to 15%” and substitute “10%

(min)”.

3 Under “Requirement” column for “Elongation”, delete “(At the break) and substitute (At 3500 lbs) .

4 Under “Requirement” column for “Tensile Strength after Abrasion” delete “80%” and substitute “50%”.

5 Under “Test Method” column for “Tensile Strength” delete “ASTM-D-5035” and substitute

“PIA STD 4108”.

6 Under “Test Method” column for “Elongation” delete “ASTM-D-5035” and substitute “PIA

STD 4108”.

7 Under “Requirements” column delete “1200 hours (min.)”. Under “Test Method” column for “Ultra-Violet Protection” delete “ASTM-D-3218 5/” add footnote “6/”.

8 under “Characteristic” and “Requirement” column delete “Abrasion” and delete “see para 3.5” .Under “Test Method” column for “Abrasion” delete “5309 6/”.

9 under “Test Method” column for “Tensile Strength after Abrasion” delete

“ASTM-D-5035” and add “ASTM-D-6770 5/ and PIA STD 4108”.

10 Footnote 4/ remove “ASTM-D-5035, Breaking Force and Elongation of Textile Fabrics (strip method)” and substitute “PIA STD 4108, Strength and Elongation, Breaking; Textile Webbing, Tape and Braided Items”.

11 Delete footnote “5/ ASTM-D-3218, Standard Specifications for Polyolefin monofilaments.”

12 Change “footnote 6/ to footnote 5/”.

13 Footnote 5/ remove “FED-STD 191, Federal Standard for Textile Test Methods- Standard

Test Method 5309, Abrasion Resistance of Textile Webbing” and substitute “ASTM-D-6770, Standard Test Method for Abrasion Resistance of Textile Webbing (Hex Bar Method).”

14 Add footnote “6/ A certificate of compliance shall be submitted and will be acceptable noting the percentage of Ultraviolet Stabilization package used in the final product.”

Engineering Support Changes to: A-A-59467, Webbing, Textile, Woven, Polypropylene

Attachment 2

Page 2, paragraph 3.4:

1. delete the following “The color shall be white or as specified in the contract or purchase order.”

and add “The color shall be white or natural or as specified in the contract or purchase order.”

1. add paragraph “5.4 End item performance testing. The webbing shall be tested for the characteristics listed in paragraph 3.3. The lot size shall be expressed in units of 1 linear yard.

The sample units shall be 20 yards of webbing. The lot shall be unacceptable if one or more sample unit fails to meet any requirement specified. The sample size shall be as follows: Lot size (yards) Sample size (sample units) 800 or less 2 801 up to and including 22,000 3 22,001 and over 5

Page 3, paragraph 7.2 :

1. add “Parachute Industry Association Standard (PIA STD) (Referenced documents can be obtained through the PIA website at www.pia.com) .

26 January 2017 Supersedes 29 October 2010

Deviation List For A-A-59826A dated 05 May 2016 Commercial Item Description, Thread, Nylon

Attachment 3

Page 2, para 3.1 – Add the following to the end of the paragraph, “For multi-needle 301 stitch operations, Type I thread with a final twist of “S” may be used in the left (outer) needle(s) only.”

Page 5, TABLE II: Change NOTE 6/ to read as follows, “Except that five (5) determinations shall be made per sample unit, shall be reported on the test report, and shall be at or above the minimum requirement for breaking strength.”

02 February 2017

25 March 2016

Deviation List for Detail Specification MIL-DTL-32439 Cloth, Duck, Textured Nylon

Attachment 5

Page 16, para 3.9.4 Change from “…no wetting by N-Tetradecane initially and after 1-laundering.” to “…no wetting by N- Tetradecane initially.”

Page 21, TABLE XI End Item Tests The following tests are not required

Colorfastness to Perspiration (Acid & Alkaline)

Resistance to Diethyltoluamide (DEET)

Spectral reflectance

Toxicity

16 December 2015 Deviations to MIL-DTL-6645J

Detail Specification Parachutes Personnel, General Specification for

Attachment 6

Note: This deviation has been reorganized so that changes are listed by paragraph number in the order that they appear in MIL-DTL-6645. Bold print indicates changes from the previous deviation.

Paragraph 3.2.3 Qualification inspection samples, modify to read as follows:

The qualification inspection sample shall comply with all of the requirements specified herein and shall consist of two complete parachute 1/ assemblies or components (if qualification is desired for a component only). The qualification sample shall be accompanied by the following items with affidavits of the source of supply (supplier test reports and certifications) of each item: 5 yards of each color and type of broad cloth; ½ pound spool, cone, or tube of each color and type of thread; 30 yards of each color and type of cord, webbing and tape; 2 pieces of each type of hardware, and 2 of any miscellaneous item such as stiffeners, zippers, etc., used in the construction of the parachute assembly and components. The samples and all associated documentation shall be taken from the same supplier lots used to manufacture the qualification inspection sample. The samples shall comply in all respects with the requirements specified herein. Samples shall be forwarded as directed by the activity responsible for qualification.

1/ At their option, a qualifying activity might only request one parachute assembly.

Paragraph 3.3.2.1 Date of manufacture, textile, modify to read as follows:

The date of manufacture is defined as the last date which the textile materials have undergone a manufacturing operation that affects the physical characteristics of the material. Operations such as cutting, put-up, final inspection and packaging are examples of manufacturing operations that do not affect the physical characteristics of the material. To properly identify the age of textile materials for government use, the textile manufacturer shall place a tag on the finished goods identifying the specification to which the material is manufactured, the roll number from the lot, the lot number, and the date of manufacture.

Paragraph 3.4.1 Assembly aids, modify to read as follows:

Drilling, notches, stapling, gluing, basting or any other such techniques used as aids in the manufacturing process of parachutes shall be kept to a minimum, and the use thereof shall be restricted to the same limitations as marking (see 3.4.2). All assembly aids, such as staples, shall be removed during or after assembly. For Navy and Air Force procurements, hot glues are not authorized as an assembly aid. For Army procurements, use of assembly aids is prohibited in all types of harnesses, risers or static lines unless Government approval is requested and

16 December 2015 obtained as part of First article component or material submission, on a contract by contract basis.

Paragraph 3.4.1.1 Basting, modify to read as follows:

Basting requirements shall be as specified in the TDP for the associated item or be in accordance with common industry practices. Basting stitches shall not be seen in the finished seam or assembly. Contractors unfamiliar with commercial practices shall contact the contracting officer for specific details prior to assembly of the item.

Add Paragraph 3.4.1.2 Hot glue, as follows:

Use of hot glue as an assembly aid is restricted to only webbings, tapes or similar narrow fabrics. Use of hot glue is prohibited on cloth unless Government approval is requested and obtained as part of First article component or material submission, on a contract by contract basis. When hot glue is used as a preassembly aid, a minimal quantity should be used to prevent unnecessary stiffening of the assembly. Excess glue visible in the folds or layers of the material is not permitted.

Add Paragraph 3.4.1.3 Staples, as follows:

When staples are used as an assembly aid, a minimal quantity shall be used. Care shall be taken in choice of staple and application method to reduce the potential of damage to the material.

Paragraph 3.4.2 Assembly markings, modify to read as follows:

Markings of pack, canopy, harness, riser, and other components as an aid to assembly, and to indicate stitch patterns, shall be accomplished in a manner that will not adversely affect the utility, strength, or appearance of the equipment.

Paragraph 3.5.1.1 Suspension lines, modify to read as follows:

Suspension lines shall be continuous and without splices or knots for each length specified by the

TDP for the associated item. All lines from one canopy shall be made from the same manufacturer’s lot of cord with the exception of suspension lines fabricated with Spectra® cord.

Where Spectra® cord is used for suspension lines, all lines from one canopy shall be made from

16 December 2015 cord supplied by the same manufacturer. Any line damaged during the process of canopy manufacture, regardless of fiber, shall be replaced with lines fabricated from cord of the same manufacturer. When multiple pulley systems is used for tensioning, all lines for an entire canopy shall be measured at the same time and shall not be anchored at any intermediate point between the lines.

Paragraph 3.5.1.1.1 Tensioning of suspension cord line, add the following to the list:

Line Conforming To Tension

Nylon Cord PIA-C-5040, Type II 14 ± ½ pound

Paragraph 3.5.1.2 Air permeability, add the following to the end of paragraph:

For the T-11 only: The average air permeability reading for any center panel or arm shall not exceed the upper limit nor be less than the lower limit of the fabric specification by over 20 percent.”

For the RA-1 only: The air permeability limits in cfm for main and reserve canopies only (pilot chutes shall follow the original air permeability requirements of 3.5.1.2 and are not included in the following table) shall be as follows:

Canopy Avg Top Skin Avg Bottom Skin Avg Individual Cell

Avg

RA-1 Main Canopy n/a 0.0 5.5 6.0

RA-1 Reserve Canopy 5.5 n/a n/a 6.0

Paragraph 3.6.4 Identification marking, modify to read as follows:

Each round canopy shall be marked for identification in accordance with figure 1, unless otherwise stated in the TDP for the associated item. The characters shall not be less than ½ inch high. The type designation, if applicable and as specified in the TDP for the associated item, shall precede the drawing number. The using service will insert the date the canopy is placed in service. The format of the date of manufacture shall be as follows: a text month followed by a four digit year (example: JUNE 2006) or a two digit month followed by a two or four digit year

(example: 06/06 or 06/2006).

16 December 2015

Paragraph 4.4.1 Component and material inspection, modify to read as follows:

Components, materials, test reports and certifications shall be inspected in accordance with all of the requirements of referenced documents and specifications unless otherwise excluded, amended, modified, or qualified in this specification or applicable purchase document.

Materials, test reports and certifications shall be taken from the same supplier lots used to manufacture the associated components.

Paragraph 4.7.1 Air permeability, round, modify to read as follows:

The cloth of completed parachute canopy assemblies shall be tested for air permeability to determine compliance with the requirements of 3.5.1.2. The test shall be performed in accordance with ASTM D737, making five permeability readings (a minimum of one reading per section excluding the top) in every fourth gore starting with gore number 1; that is, gore numbers

1, 5, 9, etc. Each reading shall be taken at the approximate center, horizontally and vertically, of the gore section. The pilot chutes procured as separate items or as part of the parachute canopies or assemblies shall be subject to this permeability testing requirement, except that the number and locations of the readings shall be as specified by the procuring activity.

Paragraph 4.7.1 Air permeability round, modify as follows for MC-6, SF-10A canopies:

The cloth of the completed parachute canopy assemblies shall be tested for air permeability to determine compliance with the requirements of 3.5.1.2. The test shall be performed in accordance with ASTM D737 making five permeability readings (a minimum of one reading per section excluding the top) in every fourth gore starting with gore number 1; that is, gore numbers 1, 5, 9, etc. Each reading shall be taken at the approximate center, horizontally and vertically, of the gore section. When the required gore to be tested is a “blank” gore, both the “blank” gore and the “extended” gore shall be tested. In this case, a total of eight air permeability readings shall be made: 1 on the blank gore (panel A per TDP) and 7 on the extended gore that passes over it

(panels E, F, G, H, I, J and K per TDP). The pilot chutes procured as separate items or as part of the parachute, canopies or assemblies shall be subject to this permeability testing requirement, except that the number and locations of the readings shall be as specified by the procuring activity.

Paragraph 4.7.1.1 Air permeability, gliding, modify as follows for RA-1 Main and Reserve canopies:

16 December 2015

The cloth of completed Main and Reserve RA-1 canopy assemblies shall be tested for the air permeability requirements of 3.5.1.2. The test shall be performed in accordance with ASTM

D737. On the top and bottom skin of the main canopies, readings shall be taken at the marked locations with the permeometer orifice aligned with the tip of the “V” mark. On the top skin of the reserve canopy, readings shall be taken on panels 1, 2, 5, 6, 9, 10, 13, 14, 17 and 18, centered on the width of the panel, 22 inches from the leading edge of the canopy. On the bottom skin of the reserve canopy, readings shall be taken on each half cell of panels 1, 3, 7 and 9 (excluding those half cells with a vent), with the permeometer orifice centered on the width of each half cell, and centered between the leading edge and the “B” tape. See FIGURE 4 for RA-1 Main Canopy air permeability schematic and FIGURE 5 for RA-1 Reserve Canopy air permeability schematic.

The pilot chutes and drogues procured as separate items or as part of the parachute canopies or assemblies shall be tested to the air permeability requirements of 3.5.1.2, except that the number and locations of the readings shall be as specified by the procuring activity.

Paragraph 4.7.1.1 Air permeability, gliding, modify as follows for MC-4 canopies:

The cloth of completed parachute canopy assemblies shall be tested for air permeability to determine compliance with the requirements of 3.5.1.2. The test shall be performed in accordance with ASTM D737. Air Permeability readings shall be taken on the top and bottom panels of each ½ cell, 18 inches from the leading edge, and centered between the ribs (see figure

2). A total of two readings per cell, per each top and bottom leading edge panel, shall be taken for a total of 28 readings per canopy.

Add the following new paragraphs:

4.7.1.2 Air permeability, T-11.

The cloth of completed T-11 canopy assemblies shall be tested for air permeability requirements of 3.5.1.2. The test shall be performed in accordance with ASTM D737. Forty (40) Air permeability readings shall be taken in the locations referenced in Figure 3 below. Each reading shall be taken at the approximate center, horizontally and vertically, of each section. The average of the canopy and center panel/arms shall meet requirements identified in 3.5.1.2.

4.7.1.2.1 T-11 sampling, center section: four (4) readings shall be taken from each of the 7 continuous panels in the center section as directed in Figure 3 below. Continuous panels run along the direction of a main seam. The 4 readings from one continuous center panel shall be averaged together and reported. There are a total of 7 center panels and the average of each center panel shall be within the acceptable range stated in pgh 3.5.1.2.

16 December 2015

4.7.1.2.2 T-11 sampling, arms: 3 readings shall be taken from each arm, using Figure 3 as a reference. One reading shall be taken from each continuous panel in the arm, at any section location. The 3 readings shall be averaged together and reported. There are a total of 4 arms and the average for each arm shall be within the acceptable range stated in pgh 3.5.1.2.

FIGURE 3. Reference schematic for T11 air permeability sampling NOTE: Taken from drawing 11-1-7104.

It is important to note that in the center section, the test locations and averages are tied to the direction of the continuous panels. Test locations in the arms can be at any section in the continuous panel.

Section

Center panel average:

readings from 1 continuous panel along a main seam

Arm average:

readings from 3 different panels within 1 arm

Direction of center section main seam

16 December 2015

FIGURE 4. Reference schematic for RA-1 Main Canopy air permeability sampling

NOTE: Air permeability locations are marked with a “V” symbol on top skin panels 1, 2, 9, 10, 17, and

18; bottom skin panels are marked on both half cells of panels 1, 5 and 9. Align permeometer orifice with the tip of the “V” as shown above.

16 December 2015

FIGURE 5. Reference schematic for RA-1 Reserve Canopy air permeability sampling

NOTE: Air permeability locations are not marked on the reserve. On the top skin of the reserve canopy, readings shall be taken on panels 1, 2, 5, 6, 9, 10, 13, 14, 17 and 18, centered on the width of the panel, 22 inches from the leading edge of the canopy. On the bottom skin of the reserve canopy, readings shall be taken on each half cell of panels 1, 3, 7 and 9 (excluding those half cells with a vent), with the permeometer orifice centered on the width of each half cell, and centered between the leading edge and the “B” tape.

15 September 2011

Deviation List for Detail Specification MIL-DTL-7567C Parachutes, Personnel, Detail Manufacturing Instructions For

Attachment 7

Paragraph 3.4.1.1 Canopy damage during construction. Add the following sentence at the end of the paragraph:

“… Darns are not allowed on T11-R Parachute Assemblies.”

Paragraph 3.4.5.10, Section E.

Change from:

e. Four-needle repairs shall be a minimum of 36 inches apart per seam. Not more than 2 such defects and 14 per canopy shall be permitted.

To:

e.i Four-needle repairs shall be a minimum of 36 inches apart per seam. Not more than 2 such defects per seam and 14 per canopy shall be permitted.

e.ii Repairs on SF-10A and T-11R shall be a minimum of 36 inches apart per seam. Not more than 2 such defects are allowed per main seam. The number of main seams repaired shall not be more than half the number of main seams on the canopy.

e.iii Repairs on T-11 Main shall be a minimum of 36 inches apart per seam. Not more than 3 such defects are allowed per seam.

Paragraph 3.6, change to read as follows:

3.6 Harnesses, risers, static lines, bridle lines, straps, lanyards, and pockets.

a. Stitching shall lie smoothly on the webbing or tape without looping. The tension of the needle and bobbin thread shall be equal. The thread lock shall be embedded in the webbing or tape.

b. The complete removal and replacement of 3 or 4 point stitch patterns shall not be conducted without the ESA oversight.

c. Broken stitches shall be reinforced by overlapping the stitching 4 stitches on either end of the break.

Three reinforcements are allowed in the harness assembly, with no more than 1 reinforcement per stitch formation.

15 September 2011

Detail Specification MIL-DTL-7567C Parachutes, Personnel, Detail Manufacturing Instructions For

Attachment 7

d. One skipped or missing stitch per stitch pattern will be acceptable on the harness, with a total of 3 skipped or missing stitches allowed per harness. In addition, 2 skipped or missing stitches will be acceptable in the zigzag stitching on the saddle assembly. Two consecutive skipped or missing stitches shall not be allowed.

e. A maximum of 3 loops in the harness stitching will be acceptable. No loop shall be in excess of 3/32 inch high or 1 stitch in length. Loops must be a minimum of 2 inches apart.

f. A maximum of 3 fill yarns on the harness, damaged during stitching (needle damage) will be acceptable. Damaged yarns must not exceed 1/8 inch width and 3/8 inch in length.

g. Broken stitches, skipped stitches, missing stitches, loops, stitching repairs, and needle damage are not permitted in the 3 or 4 point stitching on static and bridle lines, and are not permitted on the risers, except that 1 skipped or missing stitch and 1 stitch repair will be permitted in the riser spreader bar.

h. Darns are not allowed on load bearing harnesses, risers, static lines, bridle lines, straps, lanyards and pockets, with the exception of the vest panels on Restraint Harness panels.

supercedes 03 March 2015

Deviation List for

MIL-DTL-7620

Detail Specification, Parachutes and Components, Cargo, Extraction and Deceleration, General Specification for

Attachment 8

Page 4, 3.3.5 Stitches and stitching, add the following sub-paragraphs for JPADS systems:

3.3.5.4 Backstitching. Backstitch requirements are specified on the detail drawings. Backstitching is not required if not specified on the drawing. Backstitches formed with type 301 straight stitch shall be sewn as indicated in Figure 2. For type 308 zigzag stitch, either Single Leg Backstitch (Figure 1), Backstitch (Figure 2) or crowd stitching may be utilized.

Figure 1 Single Leg Backstitch

Section View

Figure 2 Backstitch

Section View

Page 6, 3.4 Air Permeability, add the following sub-paragraphs:

3.4.1 JPADS 2K. Complete JPADS 2K canopies, when testing in accordance with 4.5, shall have an average permeability of not more than 6.0 cfm, where no single measurement is greater than 7.2 cfm.

3.4.2 JPADS 10K. Complete JPADS 10K canopies, when tested in accordance with 4.5, shall have an average permeability of not more than 12.0 cfm.

03 March 2015

Deviation List for

MIL-DTL-7620

Detail Specification, Parachutes and Components, Cargo, Extraction and Deceleration, General Specification for

Attachment 8

Page 8, 4.5.1 Air permeability, change the paragraph to read as follows:

4.5.1 Air Permeability. The number of completed canopies specified in Table I shall be selected at random from production and tested for air permeability to determine compliance with the requirements of 3.4. The test shall be performed in accordance with ASTM D737.

4.5.1.1 Round canopies. The number of permeability readings made from round canopies constructed from one fabric shall be five in every fourth gore, excluding top and bottom sections. The number of permeability readings made from round canopies constructed from more than one fabric shall be three in the bottom section, two in the second section and three in the third section in every fourth gore. The permeability readings of each fabric shall be averaged.

4.5.1.2 JPADS 2K canopies. Permeability readings shall be taken on the top and bottom surfaces of the canopies, prior to line installation. On the top surface permeability readings shall be taken 36 inches down from the leading edge, in the center of the cell, on cells 1, 2, 9, 10, 11, 18 and 19. On the bottom surface permeability readings shall be taken midway between the leading edge and the B cross-tape, in the center of the cell, on cells 1, 2, 9, 10, 11, 18 and 19.

4.5.1.3 JPADS 10K canopies. Permeability readings shall be taken on the top and bottom surfaces of the canopy, prior to line installation. On the trailing edge panel of the top surface, permeability readings shall be taken 12 inches back from the top cross seam, in the center of the cell, on cells 1, 18, and 35.

On the bottom surface, permeability readings shall be taken 12 inches down from the leading edge in the center of the cell, on cells 1, 18, and 35.

31 December 2012

Attachment 9

Deviation for

MIL-DTL-10884H Detail Specification Fasteners, Snap

The following deviation to the MIL Detail Specification is for the materials specified herein. For

NASM27980 and NASM27983, parts MS27980-6B and MS27983-2:

Page 4, paragraph 3.1.3:

Phosphor Bronze Spring Wire. Replace “copper alloy 510 or ASTM B134” with “copper alloy

510 per ASTM B159”.

4 January 2008

4 December 2006

Military Specification MIL-DTL-32075

Attachment 10

Page 6: Paragraph 3.2.4.1, delete and replace with: The basic cloth will be a nonwoven material of either spunbonded polyester made from 4.0 denier (44 Tex) continuous filament white polyester fiber, 80/20 polyester cellulose or 70/30 polyester cellulose material. The cloth fibers will be randomly dispersed and bonded at filament junctions. The overall weight of the basic cloth will not be more than 2.2 ounces per square yard when tested as specified in 4.2.3.

Page 6: Paragraph 3.2.4.2., delete first sentence and replace with “The impregnation coating will be a pigmented polyurethane, acrylic, nitrocellulose coating composed of white pigments such as clay, chalk, titanium dioxide, or blane fixe, and affixed by an appropriate polyurethane, acrylic or nitrocellulose resin when tested as specified in 4.2.3.”

Page 6: Table I, under Tearing strength, delete “lb.”, and substitute “grams”.

Page 6: Paragraph 3.2.4.1, line 2, delete “44 Tex”, and substitute “.44 Tex”.

Page 10: Paragraph 3.3.2.10, line 6, under “Service No.” delete “(approximately 1/8 inch)” and substitute “approximately 1 inch”.

for

Detail Specification MIL-DTL-44036

Attachment 11

Page 3, pgh. 4.3 Conformance inspection. In the first sentence, delete reference to pgh

“4.5” and replace with “4.4”.

03 February 2017

Deviation List for

MIL-STD-849C

Inspection Requirements, Definitions and Classification of Defects for Parachutes

Attachment 12 Page 1 of

Replace “MIL-STD-849B” on the header of each page with “MIL-STD-849C”

Page iii: Delete CONTENTS list and replace with the following CONTENTS list (dated 06 Jan 2017)

Page 17: Delete TABLE I and replace with the following TABLE I document (dated 10 Sept 2015) Page 18: Delete TABLE II and replace with the following TABLE II document (dated 11 Feb 2015) Page 19-28: Delete TABLE III and replace with the following TABLE III document (dated 10 June 2010) Page 40-42: Delete TABLE VI and replace with the following TABLE VI document (dated 13 Sept 2011) Page 43-44: Delete TABLE VII and replace with the following TABLE VII document (dated 10 Sept 2015) Page 58-59: Delete TABLE XII and replace with the following TABLE XII document (dated 18 Sept 2014) Page 63-64: Delete TABLE XIV and replace with the following TABLE XIV document (dated 21 Aug 2014)

Delete the following TABLES from MIL-STD-849C:

TABLE XVI. Classification of defects – low cost aerial delivery system (LCADS): High Velocity (HV), Spider TABLE XVII. Classification of defects – low cost aerial delivery system (LCADS): Low Velocity (LV) BAT Parachute TABLE XVIII. Classification of defects – low cost low altitude aerial delivery system (LCLA): Stalker, Cross

Parachute System Assembly TABLE XIX. Classification of defects – Low Cost Container (LCC)

Add the following TABLES to MIL-STD-849C:

TABLE XVI. Classification of defects – cross-cruciform parachute canopies with slider – Personnel

(dated 14 June 2010)

TABLE XVII. Classification of defects – deployment sleeve – Personnel (dated 03 Feb 2017) TABLE XVIII. Classification of defects – canopies: square, gliding type – main and reserve, RA-1 only

(dated 26 Jan 2017)

TABLE XIX. Classification of defects – integrated pack and container (exclusive of harness), deployment bag and pocket, RA-1 only (dated 18 Sept 2014)

TABLE XX. Classification of defects – canopies: square, gliding type, joint precision airdrop systems, 2K (dated 06 Jan 2017)

TABLE XXI. Classification of defects – harness: joint precision airdrop system, 2K (dated 06 Jan 2017) TABLE XXII. Classification of defects – soft link: joint precision airdrop system, 2K (dated 06 Jan 2017)

TABLE XXIII. Classification of defects – ram-air cargo parachute system, one time use (dated 04 Aug 2016)

All Tables:

Change “Incorrect or defective material - Major” to “Incorrect material or material with major defects – Major” Add “Any dimension out of tolerance per TDP unless otherwise specified in this table – MAJOR”

Table III: Add “Any darn on T-11R canopy – MAJOR” (added 04 Nov 2019)

Table VII: Add “Any darn or patch… - MAJOR” (added 04 Nov 2019)

Bold print signifies changes from the previous revision.

MIL-STD-849C

CONTENTS

TABLE PAGE

06 January 2017 iii Attachment 12

I Personnel parachutes – guideline for maximum allowable errors per canopy 17

II Cargo, deceleration, extraction, recovery, special weapon parachute systems and containers – guideline for maximum allowable errors per canopy

III Classification of defects – solid and extended skirt parachute canopies – personnel 19

IV Classification of defects – ring slot and ribbon parachute canopies 29

V Classification of defects – pilot chutes and drogues 35

VI Classification of defects – personnel parachute packs or containers, and deployment bags

VII Classification of defects – personnel parachute harnesses, risers, static lines, bridle lines, straps, lanyards, pockets, and cloth ripcord handles

VIII Classification of defects – deployment bags and packs (other than personnel) 43

IX Classification of defects – risers, static lines, bridles, straps, adapter webs, and retainers (other than personnel)

X Classification of defects – personnel parachute, integrated pack and harness 48

XI Classification of defects – canopies: square, gliding type – main and reserve 52

XII Classification of defects – pilot chutes for MC-4, MIRPS, and RA-1 and spring assembly, ejector only

XIII Classification of defects – integrated pack and container (without harness), deployment bag and pocket – MC-4 only

XIV Classification of defects – harness, riser, bridle line, strap, and lanyard – MC-4 and RA-1 only

XV Classification of defects – solid and extended skirt parachute canopies – cargo 65

XVI Classification of defects – cross-cruciform parachute canopies with slider – personnel 73

XVII Classification of defects – deployment sleeve – personnel 78

XVIII Classification of defects – canopies: square, gliding type – main and reserve, RA-1 only 80

XIX Classification of defects – integrated pack and container (exclusive of harness), deployment bag, and pocket, RA-1 only

XX Classification of defects – canopies: square, gliding type, joint precision airdrop systems, 2K

XXI Classification of defects – harness: joint precision airdrop system, 2K 90

XXII Classification of defects – soft link: joint precision airdrop system, 2K 92

XXIII Classification of defects – ram-air cargo parachute system, one time use 93

TABLE I. Personnel parachutes - guidleline for maximum allowable errors per canopy

No. Item Major Minor

1 Canopies (solid cloth, round, extended skirt)

Troop and rescue 0 8

Emergency 24 feet 0 5

Emergency 26 feet 0 6

Emergency 28 feet 0 6

2 Canopies (square, gliding type, main and reserve) 0 8

3 Canopies (cross-cruciform) 0 8

4 Pilot chute and drogue 0 3

5 Deployment bag, diaper, and sleeve 0 3

6 Pack/container

Troop and rescue (excluding static line) 0 4

Emergency (except chest style) 0 5

Chest style (including reserve) 0 3

Container (integrated main and reserve) without harness, 0 5

MC-4 and RA-1

Container (integrated main and reserve) with harness, MC-4 0 9

7 Integrated pack and harness 0 8

8 Harness 0 5

9 Risers 0 1

10 Static lines 0 2

11 Bridle lines, starps, lanyards, pockets, and cloth ripcord handles 0 2

12 Spring assembly, ejector 0 3

NOTE: In all of the following tables, references in the form to "up to" are inclusive.

Classification

10 September 2015 Attachment 12

TABLE II. Cargo, deceleration, extraction, recovery, and special weapon parachute systems and containers -guidleline for maximum allowable errors per canopy

No. Item Major Minor

1 Canopies (solid cloth, round, extended skirt)

Up to 25 feet in diameter 0 10

Over 25 feet in diameter 0 20

Over 50 feet in diameter 0 30

Over 75 feet in diameter 0 40

2 Canopies (ribbon and ring slot)

Up to 25 feet in diameter 0 10

Over 25 feet in diameter 0 20

3 Canopies (glide surface) 0 5

4 Canopies (JPADS 2K, 2K1T) 0 30

5 Drogue and pilot chute 0 3

6 Deployment bags and packs 0 10

7 Risers, static lines, bridles, straps, retainers and adaptor webs 0 5

8 Soft link 0 1

NOTE: In all of the following tables, references in the form to "up to" are inclusive.

Classification

11 February 2015

Page 4 of 51 Page 1

TABLE III. Classification of defects - solid and extended skirt parachute canopies - personnel.

10 June 2010 Page 1

No. Major Minor

1. Improper assembly of vent reinforcement band 101

2. Vent reinforcement band overlap Up to 1/4 inch minus 201 Over l/4 inch minus 102 Over 1 inch plus 202

3. Vent hem outside stitching margin from edge of webbing 1/16 to 3/16 inch 203 Over 3/16 inch 103 All rows of stitching not through reinforcement webbing 104

4. Vent loop length (finished dimension) Up to 1/2 inch plus 204 Over 1/2 inch plus 105 Minus direction any length 106

5. Vent line length (finished dimension) Up to 1/4 inch 205 Over 1/4 inch 107

6. Variation in vent line length per set Up to 1 percent 206 Over 1 percent 108

7. Twisted vent line (flat) 109

8. Twisted vent line (core or coreless braid) Over 360 degrees 207 Over 360 degrees, causing kinks in line when relaxed 110

9. Gore width at vent, centerline to centerline on main seam or as stated in TDP Up to 1/4 inch 208 Over 1/4 inch 111

10. Gore width at skirt, centerline to centerline on main seam or as stated in TDP Up to 1/2 inch 209 Over 1/2 inch 112

11. Cross and main seams, improper type or improper assembly 113

Classification Classification of Defect

10 June 2010 Page 2

No. Major Minor

12. Underfold (raw edge in main or cross seam) 114

13. Overfold in main seam Up to 1/2 inch or extended into center channel 210 Over 1/2 inch 115

14. Overfold in SF10-A and T11R main seam 1/8 up to 1/4 inch any length 211 Over 1/4 inch any length 116

15. Underfold in main seam A 4-needle seam not caught by 3 rows of stitches by at least

1/16 of an inch 117 3 intermittent underfolds of a 2-needle seam, up to

2 inches long and less than 12 inches apart 212 More than 3 intermittent underfolds up to 2 inches long and less than 12 inches apart 118 Underfold more than 4 inches in length 119

16. Underfold in SF10-A and T11R main seam 1/8 up to 1/4 inch any length 213 Over 1/4 inch any length 120

17. Overfold and underfold in cross seam Underfold 1/8 to 3/16 inch and up to 8 inches long 214 Underfold over 8 inches long 121 Up to 3 intermittent underfolds, 3/16 inch and up to 2 inches long, over 12 inches apart 215 More than 3 intermittent underfolds, 3/16 inch and up to 2 inches long, and less than 12 inches apart 122 Overfold 1/8 to 1/4 inch, full length of seam 216 Overfold over 1/4 inch any length 123

18. Overfold and underfold in SF10-A and T11R cross seam Underfold 1/8 up to 1/4 inch any length 217 Over 1/4 inch any length 124 Overfold 1/8 up to 1/4 inch any length 218 Over 1/4 inch any length 125

Classification Classification of Defect

10 June 2010 Page 3

No. Major Minor

19. Fullness in seam width Main seam

1/8 to 1/2 inch 219 Over 1/2 inch 126

Cross seam 1/8 to 1/4 inch 220 Over 1/4 inch 127

20. Fullness not evenly distributed along radial tape of SF10-A canopy 221

21. Wrinkles and pleats in cross and main seams Cross seams

1/16 to 1/8 inch and 1 per seam 222 1/16 inch and more than 1 per seam 128 1/16 inch and more than 6 per canopy 129 Over 1/8 inch 130

Main seams (canopies up to 35 feet in diameter) 1/16 to 1/8 inch and 1 per seam 223 1/16 to 1/8 inch and more than 1 per seam 131 1/16 to 1/8 inch and more than 6 per canopy 132 Over 1/8 inch 133

Main seams (canopies over 35 feet and up to 65 feet in diameter) 1/16 to 1/8 inch and 2 per seam 224 1/16 to 1/8 inch and more than 2 per seam 134 1/16 to 1/8 inch and more than 9 per canopy 135 Over 1/8 inch 136

Main seams (canopies over 65 feet in diameter) 1/16 to 1/8 inch and 3 per seam 225 1/16 to 1/8 inch and more than 3 per seam 137 1/16 to 1/8 inch and more than 12 per canopy 138 Over 1/8 inch 139

22. Vent and skirt hems improperly formed Raw edge showing 140 Intermittent underfold where edge is caught with 2 rows of stitching 226 Underfold where edge is caught with 1 row of stitching 141

23. Vent hem fold over main seam around webbing not straight 227

24. Matching of centerlines of seams when folded

Classification Classification of Defect

10 June 2010 Page 4

No. Major Minor

1/8 to 1/4 inch 228 Over 1/4 inch 142

25. Wrinkles, pleats, or folds in skirt and vent hems that do not extend into the gore fabric 1/4 to 1/2 inch and 1 per gore 229 Over 1/2 inch and more than 1 per gore 143 Over 1/2 inch and more than 12 per canopy up to 35 feet 144 Over 1/2 inch and more than 14 per canopy over 35 feet and up to 65 feet 145 Over 1/2 inch and more than 18 per canopy over 65 feet 146

26. Wrinkles, pleats, or folds in skirt and vent hems extending into the gore fabric 1/16 to 1/8 inch and 1 per gore 230 Over 1/16 inch and more than 1 per gore 147 Over 1/16 inch and more than 6 per canopy up to 35 feet in diameter 148 Over 1/16 inch and more than 12 per canopy over 35 feet and up to 65 feet in diameter 149 Over 1/16 inch and more than 18 per canopy over 65 feet in diameter 150 Over 1/8 inch 151

27. Skirt hem outside stitching margin from edge of webbing 1/16 to 3/16 inch 231 Over 3/16 inch 152 Any row of stitching not through skirt band webbing 153

28. Fold over of main seam around skirt webbing not straight 232

29. Matching of centerline of seams when folded 1/8 inch to 1/4 inch 233 Over 1/4 inch 154

30. Skirt hem formed by more than 2 pieces of tape or webbing unless otherwise specified on the applicable drawing 155

31. Tape or webbing used to form skirt hem does not extend across a minimum of 4 gores 156

32. Tucks, where section of gore fabric caught in stitching of seams or hems Up to 1/4 inch wide and up to 1/2 inch long 234

Classification Classification of Defect

10 June 2010 Page 5

No. Major Minor

Over 1/4 inch wide regardless of length 157 Over 1/2 inch wide regardless of width 158

33. Mismatching of cross seams First seam from vent over 2 inches and up to 2-1/2 inches 235 First seam from vent over 2-1/2 inches 159 All other seams over 2-1/2 inches and up to 3 inches 236 All other seams over 3 inches 160 All seams on SF10A greater than ½ inch 161

34. Vent lines out of sequence 162

35. Suspension and vent line overlap on canopy Up to 1/8 inch minus 237 Over 1/8 inch minus 163 Over 1/4 inch plus 238

36. Suspension lines not in proper channel or lines crossed 164

37. Cut, frayed, or damaged suspension, control or vent lines 165

38. Variation in suspension line length per set, between vent and skirt Up to 1/2 percent 239 Over 1/2 percent 166

39. Variation in…