GL-PD 06-17D Trousers Extreme Cold-Wet Weather GEN III 8-19-2016.pdf

Distribution Statement. “GOVERNMENT INTELLECTUAL PROPERTY AND TRADEMARK RIGHTS NOTIFICATION (See 6.7)

GL-PD-06-17D

19 August 2016

SUPERSEDING

GL-PD-06-17C

4 March 2016

PURCHASE DESCRIPTION

TROUSERS, EXTREME COLD/WET WEATHER (GEN III)

This Purchase Description is approved for use by all Departments and Agencies of the Department of Defense (DoD).

1. SCOPE

1.1 Scope. This purchase description (PD) covers the requirements for a waterproof, extreme cold/wet weather trouser, which serves as a layer of the GEN III Extended Cold Weather Clothing System (ECWCS).

1.2 Classification. The trouser will be of the following classes and sizes, as specified.

1.2.1 Classes.

Class 1 - Universal Camouflage Pattern (UCP) Class 2 - Operation Enduring Freedom Camouflage Pattern (OEF-CP) Class 3 - Operational Camouflage Pattern (OCP) Class 4 - Desert MARPAT

1.2.2 Schedule of sizes.

SCHEDULE OF SIZES

X-Small Small Medium Large X-Large XX-Large Short Short Short Regular Regular Regular Regular Regular Regular Long Long Long Long Long X-Long X-Long

2. APPLICABLE DOCUMENTS.

AMSC N/A FSC 8415

Comments, suggestions, or questions on this document should be addressed to: Department Of the Army, Natick Soldier Research, Development and Engineering Center, 10 General Greene Avenue, Natick, MA 01760-5019. ATTN: RDNS-SEW-EWC

INCH-POUND

2.1 General. The documents listed in this section are specified in sections 3 and 4 of this specification. This section does not include documents cited in other sections of this specification or recommended for additional information or as examples. While every effort has been made to ensure the completeness of this list, document users are cautioned that they must meet all specified requirements of documents cited in sections 3 and 4 of this specification, whether or not they are listed.

2.2 Government documents.

2.2.1 Specifications, standards and handbooks. The following specifications, standards and handbooks form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract.

FEDERAL STANDARDS

FED-STD-4 - Glossary of Fabric Imperfections

COMMERCIAL ITEM DESCRIPTIONS

A-A-50199 - Thread, Polyester Core, Cotton or Polyester-Covered A-A-55126 - Fastener Tapes, Hook and Loop, Synthetic A-A-55634 - Zipper, (Fastener, Slide Interlocking) A-A-59826 - Thread, Nylon A-A-59963 - Thread, Polyester

DEPARTMENT OF DEFENSE SPECIFICATIONS

MIL-C-43701 - Cord, Elastic, Nylon or Polyester MIL-DTL-10884 - Fasteners, Snap MIL-DTL-32075 - Label: For Clothing, Equipage, and Tentage (General Use) MIL-DTL-32439 - Cloth, Duck, Textured Nylon MIL-PRF-5038 - Tape, Textile and Webbing, Textile, Reinforcing Nylon MIL-STD-1487 - Glossary of Cloth Coating Imperfections MIL-W-5664 - Webbing, Textile Elastic

(Copies of these documents are available online at http://quicksearch.dla.mil or from the Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094.)

2.2.2 Other Government documents, drawings and publications. The following other

Government documents, drawings, and publications form a part of this document to the extent specified herein. Unless otherwise specified, the issues are those cited in the solicitation or contract.

DRAWINGS

http://quicksearch.dla.mil/

U.S. ARMY NATICK SOLDIER RESEARCH, DEVELOPMENT AND ENGINEERING

CENTER

2-1-2519 - Universal Camouflage, ARPAT, 3-Color 2-1-2519-1 - Universal Camouflage, ARPAT, Desert Sand 500 2-1-2519-2 - Universal Camouflage, ARPAT, Urban Gray 501

2-1-2519-3 - Universal Camouflage, ARPAT, Foliage Green 502 2-1-2529 - Desert MARPAT- 4 color (Light Tan 479) 2-1-2530 - Desert MARPAT- 4 color (Urban Tan 478)

2-1-2531 - Desert MARPAT- 4 color (Light Coyote 481 with EGA symbol) 2-1-2532 - Desert MARPAT- 4 color (Highland 480) 2-1-2592 - Operational Camouflage Pattern (OCP)

NOTE: For any other camouflage patterns noted in the solicitation and contract, please contact contracting activity and the necessary samples, drawings, and or patterns will be provided.

(Copies of drawings are available from the U.S. Army Natick Soldier Research Development and Engineering Center, Natick Soldier Systems Center, 10 General Greene Avenue, Natick, MA 01760-5019 ATTN: RDNS-SEW-EWC)

CODE OF FEDERAL REGULATIONS

16 CFR Part 1500 – Federal Hazardous Substances Act Regulations 29 CFR Part 1910

– Occupational Safety and Health Standards

(Copies are available online at http://www.access.gpo.gov or from U.S. Government Printing Office, 732 North Capitol Street N.W., Washington, DC 20401.)

(Copies of purchase descriptions, specifications, standards, drawings, and publications required by contractors in connection with specification procurement functions should be obtained from the procuring activity or as directed by the Contracting Officer.)

2.3 Non-Government publications. The following documents form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract.

AMERICAN ASSOCIATION OF TEXTILE CHEMISTS AND COLORISTS (AATCC)

AATCC Test Method 8 - Colorfastness to Crocking: AATCC Crockmeter Method AATCC Test Method 15 - Colorfastness to Perspiration AATCC Test Method 16.2 - Colorfastness to Light: Carbon Arc AATCC Test Method 16.3 - Colorfastness to Light: Xenon AATCC Test Method 20 - Fiber Analysis: Quantitative AATCC Test Method 22 - Water Repellency: Spray Test AATCC Test Method 61 - Colorfastness to Laundering: Accelerated http://www.access.gpo.gov/

AATCC Test Method 96 - Dimensional Changes in Commercial Laundering of Woven and Knitted Fabrics, Except Wool

AATCC Test Method 135 - Dimensional Changes in Automatic Home Laundering of Woven and Knitted Fabrics, Except Wool

AATCC Test Method 150 - Dimensional Changes in Automatic Home Laundering of Garments

AATCC Evaluation Procedure 1 - Gray Scale for Color Change AATCC Evaluation Procedure 2 - Gray Scale for Staining

AATCC Evaluation Procedure 8 - Chromatic Transference Scale, 9-Step AATCC Evaluation Procedure 9 - Visual Assessment of Color Difference of Textiles

(Copies of documents are available online at http://www.aatcc.org or from the American Association of Textile Chemists and Colorists, P.O. Box 12215, Research Triangle Park, NC 27709-2215.)

AMERICAN SOCIETY FOR QUALITY

ANSI/ASQ Z1.4 - Sampling Procedures and Tables for Inspection by Attributes

(Copies are available online at http://www.asq.org or from the American Society for Quality, 600 North Plankinton Avenue, Milwaukee, WI 53203.)

ASTM INTERNATIONAL

ASTM D276 - Standard Test Method for Identification of Fibers in Textiles ASTM D747 - Standard Test Method for Apparent Bending Modulus of Plastics by Means of a Cantilever Beam ASTM D751 - Standard Test Method for Coated Fabrics ASTM D1776/D1776M - Standard Practice for Conditioning and Testing Textiles ASTM D2061 - Standard Test Methods for Strength Tests for Zippers ASTM D2582 - Standard Test Method for Puncture Propagation Tear, Resistance of Plastic Film and Thin Sheeting ASTM D3776/D3776M - Standard Test Method for Mass Per Unit Area (Weight) of Fabric ASTM D5034 - Standard Test Method for Breaking Strength and Elongation of Textile Fabrics (Grab Test) ASTM D6193 - Standard Practice of Stitches and Seams ASTM E96/E96M - Standard Test Method for Water Vapor Transmission of Materials ASTM F392/F392M - Standard Test Method for Flex Durability of Flexible Barrier Materials

(Copies of documents are available online at http://www.astm.org or from the ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959.)

http://www.aatcc.org/ http://www.asq.org/ http://www.astm.org/

OTHER PUBLICATIONS

Repeat Insult Patch Test – Modified Draize Procedure Principles and Methods of Toxicology, A Wallace Hayes (editor)

(Copies are available on-line at http://www.taylorandfrancis.com/ or from Taylor and Francis, 7625 Empire Drive, Florence, KY 41042-2919.)

2.4 Order of precedence. Unless otherwise noted herein or in the contract, in the event of a conflict between the text of this document and the references cited herein, the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained.

3. REQUIREMENTS

3.1 Inspections.

3.1.1 First article. When specified (see 6.2), a sample shall be subjected to first article inspection in accordance with 4.2.

3.1.2 Conformance inspection. When specified (see 6.2), a sample shall be subjected to conformance inspection in accordance with 4.3.

3.2 Guide samples. Samples, when furnished, are solely for guidance and information to the contractor. Variations from the specification may appear in the sample in which case this specification shall govern.

3.3 Recycled, recovered, or environmentally preferable materials. Recycled, recovered, or environmentally preferable materials should be used to the maximum extent possible provided that the material meets or exceeds the operational and maintenance requirements, and promotes economically advantageous life cycle costs.

3.4 Design. The trousers shall have a fly slide fastener, two (2) pass through pockets with hook and loop flaps for water protection, a waistband with an elastic cord for adjustability and belt loops. The outside seam of both legs shall have a zipper that goes approximately 3/4 of the length of the leg (starting from the bottom) with a hook and loop flap cover for water protection.

Elastic leg cuffs with a strap for adjustability (see figures 1 and 4). The trousers shall be waterproof.

3.5 Basic materials.

3.5.1 Standard sample. All cloth materials shall match the applicable standard sample for shade and appearance on the face side, and shall be equal to or better than the standard sample with respect to all characteristics for which the standard sample is referenced (see 6.4).

3.5.2 Basic shell material. The cloth shall be a waterproof and moisture vapor permeable, laminated cloth utilizing 100 percent nylon, ripstop face fabric. The color of the face side of the http://www.taylorandfrancis.com/ cloth shall be Universal Camouflage Pattern (UCP) for Class 1, Operation Enduring Freedom Camouflage Pattern (OEF-CP) for Class 2, Operational Camouflage Pattern (OCP) for Class 3, and Desert MARPAT for Class 4. The color of the back side of the cloth shall be a subdued color approximating Universal Camouflage pattern, Foliage Green 504 or Urban Gray 505 for Class 1; Operation Enduring Freedom Camouflage Pattern (OEF-CP), Cream 524 or Tan 525 for Class 2; Operational Camouflage Pattern (OCP), Dark Cream 559 or Tan 525 for Class 3;

and Light Tan 479 or Coyote 498 for Class 4. A grey shade may be used as an alternate color for the back side of the cloth for Classes 1, 2, 3, and 4.

3.5.2.1 Physical requirements. The cloth shall meet the physical requirements specified in Table I when tested in accordance with Table VII.

TABLE I. Basic shell material and end item - physical requirements.

Characteristic Requirement Basic Shell Material Weight, oz./sq. yd. (max.) 3.7 Breaking strength, lbs. (min.)

Warp Filling

Tearing strength, kgf. (min.)

Warp Filling

2.3 2.8

Hydrostatic Resistance, psi (min.)

Initial, and After strength of coating After high humidity After diethyltoluamide

Initial After laundering

Moisture vapor transmission rate, g/m2/24h (min.)

Initial, and Procedure B Procedure BW After synthetic perspiration Procedure B

Procedure BW

Stiffness, inch-lbs. (max.)

At 32oF At 70oF

0.001 0.001

Blocking, rating (max.) No. 1

TABLE I. Basic shell material and end item - physical requirements. - Continued

Characteristic Requirement Basic Shell Material - Continued Water permeability

Initial, and After synthetic perspiration Initial and after laundering After physical surface appearance After flex (70oF)

Warp and filling directions After diethyltoluamide Initial and after laundering

No leakage

Spray rating, rating Initial, and After 5 launderings

100, 100, 90 100, 90, 90

Resistance to organic liquid, pass/fail Initial After 5 launderings

No wetting No wetting

Dimensional stability, percent (max.)

Warp Filling

4.0 2.0

Color See 3.5.2.2 Colorfastness to:

Laundering (after 3 cycles) Light (40 AFU or 170 kJ/m2nm @ 420nm) Perspiration (Acid and Alkaline) Crocking (Dry and Wet)

See 3.5.2.2.5 and Table II See 3.5.2.2.5 and Table II See 3.5.2.2.5 and Table II See 3.5.2.2.5 and Table II

Pattern Execution See 3.5.2.3 & 3.5.2.3.1 to 3.5.2.3.5 Spectral Reflectance See 3.5.2.4 & Tables III, IV, IVA & IVB Toxicity See 3.11 1/

End Item Sealed seams See 3.7.2

1/ The finished cloth shall not present a dermal health hazard when used as intended.

3.5.2.2 Color.

3.5.2.2.1 Class 1, Universal Camouflage Pattern (UCP). The color of the face side of the cloth shall be Universal Camouflage pattern and shall match Desert Sand 500, Urban Gray 501, and Foliage Green 502. Each area of the specific color of the pattern shall be in accordance with the applicable standard sample or drawing number 2-1-2519.

3.5.2.2.2 Class 2, Operation Enduring Freedom Camouflage Pattern (OEF-CP). The color of the face side of the cloth shall be Operation Enduring Freedom Camouflage Pattern

(OEF-CP) dyed to a ground shade either matching or approximating Cream 524 and then shall be overprinted with the camouflage pattern. When the ground shade is dyed to match Cream 524, the remaining six (6) colors shall be printed as appropriate, for the Tan 525, Pale Green 526, Olive 527, Dark Green 528, Brown 529 and Dark Brown 530 areas of the pattern. When the ground shade is not dyed to approximate Cream 524 all seven (7) colors of the camouflage pattern shall be printed to match all seven (7) colors. Each area of the specific color of the pattern shall be in accordance with the applicable standard sample (see 6.4).

3.5.2.2.3 Class 3, Operational Camouflage Pattern (OCP). The color of the face side of the cloth shall be Operational Camouflage Pattern (OCP) dyed to a ground shade either matching or approximating Dark Cream 559 and then shall be overprinted with the camouflage pattern.

When the ground shade is dyed to match Dark Cream 559, the remaining six (6) colors shall be printed as appropriate, for the Tan 525, Light Sage 560, Olive 527, Dark Green 528, Brown 529 and Bark Brown 561 areas of the pattern. When the ground shade is not dyed to approximate Dark Cream 559 all seven (7) colors of the camouflage pattern shall be printed to match all seven (7) colors. Each area of the specific color of the pattern shall be in accordance with the applicable standard sample or drawing number 2-1-2592.

3.5.2.2.4 Class 4, Desert MARPAT. The color of the face side of the cloth shall be MARPAT desert camouflage print. The cloth shall be dyed to a ground shade either matching or approximating Light Tan 479 and then shall be overprinted with camouflage pattern. The Desert camouflage pattern shall be obtained by roller or screen-printing using either three or four rollers or screens, as appropriate, for the Urban Tan 478, Light Tan 479, Highland 480, and Light Coyote 481 areas of the pattern. Each area of the specific color of the pattern shall be in accordance with the applicable standard sample or drawing numbers 2-1-2529 through 2-1- 2532.

3.5.2.2.5 Colorfastness. The colorfastness for finished Class 1 (UCP), Class 2 (OEF-CP), Class 3 OCP, and Class 4 Desert MARPAT cloths shall meet the requirements listed in Table II, when evaluated as specified in Table VII.

SPACE LEFT INTENTIONALLY BLANK

TABLE II. Colorfastness requirements (Classes 1, 2, 3 and 4).

Class

Colors Evaluation

Laundering (3 cycles)

Color Change & Staining

(min.)

Light (40 AFU or

170 kJ/m2nm @ 420nm)

(min.)

Perspiration (acid & alkaline) Color Change & Staining

Crocking (Wet & Dry)

(min.)

Class 1 (UCP) All colors 3-4 3-4 --- 3.5 Class 2

(OEF-CP)

All colors 3-4 --- 3-4 3.5 Dk. Green 528, Brown 529, Dark Brown 530

3-4

Cream 524, Tan 525, Pale Green 526, Olive 527

Class 3

(OCP)

All colors 3-4 --- 3-4 3.5

Dk. Green 528, Brown 529, Bark Brown 561

3-4

Dark Cream 559, Tan 525, Light Sage 560 Olive 527

Class 4 (Desert

MARPAT)

All colors 3-4 3-4 3-4 3.5

3.5.2.3 Pattern execution.

3.5.2.3.1 Class 1, Universal Camouflage Pattern (UCP). The Universal Camouflage pattern shall reproduce the standard sample in respect to design, colors and registration of the respective areas. The pattern repeat of the dyed, printed, and finished cloth shall be 36.00 inches (+1.25 inches, -2.50 inches) in the warp direction. The various areas of the pattern shall be properly registered in relation to each other and shall present definite sharp demarcations with a minimum of feathering or spew. Each pattern area shall show solid coverage;

skitteriness exceeding that shown by the standard sample in any of the printed areas shall not be acceptable. When the standard sample is not referenced for pattern execution or design, a pattern drawing shall be provided, and the pattern on the finished cloth shall match that of Drawing 2-1-2519.

3.5.2.3.2 Class 2, Operation Enduring Freedom Camouflage Pattern (OEF-CP). The pattern on the printed finished cloth(s) shall reproduce the standard sample in respect to design, colors and registration of the respective areas. The pattern repeat of the Operation Enduring Freedom Camouflage pattern shall be 25.255 (+1.25, -2.50) in the warp direction. The various areas of the pattern shall be properly registered in relation to each other and shall present definite sharp demarcations with a minimum of feathering or spew. Each pattern area shall show solid coverage; skitteriness exceeding that shown on the standard sample in any of the printed areas will not be acceptable. When the standard sample is not referenced for pattern execution, a pattern drawing provided by the Government at the time of award shall be used (see 2.2.2, 6.2, and 6.4).

3.5.2.3.3 Class 3, Operational Camouflage Pattern (OCP). The pattern on the printed finished cloth(s) shall reproduce the standard sample in respect to design, colors and registration of the respective areas. The pattern repeat of the Operational Camouflage pattern shall be

25.255 (+1.25, -2.50) in the warp direction. The various areas of the pattern shall be properly registered in relation to each other and shall present definite sharp demarcations with a minimum of feathering or spew. Each pattern area shall show solid coverage; skitteriness exceeding that shown on the standard sample in any of the printed areas will not be acceptable.

When the standard sample is not referenced for pattern execution or design, a pattern drawing shall be provided, and the pattern on the finished cloth shall match that of Drawing 2-1-2592.

3.5.2.3.3.1 Pattern width (filling direction for OCP Class). The maximum camouflage printed area for Class 3 (OCP) shall be 68-inches in the filling direction.

3.5.2.3.4 Class 4, Desert MARPAT. The pattern shall reproduce the standard sample in respect to design, colors, and registration of the respective areas. The pattern repeat of the Desert MARPAT camouflage printed finished cloth shall be 35 (± 1.50-inches) in the warp direction. Each pattern area shall show solid coverage; skitteriness exceeding that shown on the standard sample in any of the printed areas will not be acceptable. When the standard sample is not referenced for pattern execution, a pattern drawing will be provided, and the pattern of the finished cloth shall match that of the drawing.

3.5.2.4 Spectral reflectance.

3.5.2.4.1 Spectral reflectance, Class 1, Universal Camouflage (UCP). The spectral reflectance of the colors in the Universal Camouflage cloth shall conform to the requirements specified in Table III, when tested in accordance with 4.6.8.

TABLE III. Spectral reflectance requirements: reflectance (percent), for Class 1.

Universal Camouflage Pattern (UCP)

Wavelengths Nanometers (nm)

Desert Sand 500 Urban Gray 501 Foliage Green 502 Min Max Min Max Min Max

600 28 40 12 26 8 18 620 30 42 14 26 8 18 640 34 48 14 28 8 20 660 38 56 14 30 10 26 680 44 60 18 34 10 26 700 46 66 24 38 12 28 720 48 68 26 42 16 30

TABLE III. Spectral reflectance requirements: reflectance (percent), for Class 1. - Continued

Universal Camouflage Pattern (UCP) Wavelengths

Nanometers (nm) Desert Sand 500 Urban Gray 501 Foliage Green 502 Min Max Min Max Min Max

740 48 72 30 46 16 30 760 50 74 32 48 18 32 780 54 76 34 48 18 34 800 54 76 34 50 20 36 820 54 76 36 54 22 38 840 55 78 38 54 24 40 860 56 78 40 56 26 42

3.5.2.4.2 Spectral reflectance, Class 2, Operation Enduring Freedom Camouflage Pattern (OEP-CP). The spectral reflectance of the colors in the OEF-CP cloth shall conform to the requirements specified in Table IV, when tested in accordance with 4.6.8.

TABLE IV. Spectral reflectance requirements: reflectance (percent) for Class 2.

Operation Enduring Freedom Camouflage Pattern (OEF-CP)

Cream 524 Tan 525

Pale Green 526, Olive 527, Brown 529

Dark Green 528 Dark Brown 530

Wavelength (nm) Min Max Min Max Min Max 600 22 44 10 30 3 12 620 24 45 11 30 3 12 640 24 45 11 32 4 12 660 25 45 12 32 4 13 680 28 45 14 35 4 18 700 28 48 19 40 6 25 720 30 52 22 43 6 27 740 32 55 25 46 10 29 760 36 56 27 48 14 33 780 38 57 28 50 18 36 800 40 57 29 50 20 37 820 44 58 30 51 20 38 840 46 59 32 51 21 39 860 48 60 33 52 21 40

3.5.2.4.3 Spectral reflectance, Class 3, Operational Camouflage Pattern (OCP). The spectral reflectance of the colors in the OCP cloth shall conform to the requirements specified in Table IVA, when tested in accordance with 4.6.8.

TABLE IVA. Spectral reflectance requirements: reflectance (percent) for Class 3.

Operational Camouflage Pattern (OCP) Dark Cream 559

Tan 525 Light Sage 560, Olive

527, Brown 529 Dark Green 528 Bark Brown 561

Wavelength (nm) Min Max Min Max Min Max 600 22 44 12 30 3 12 620 24 45 12 30 3 12 640 24 45 12 32 4 12 660 25 45 12 32 4 13 680 28 45 14 34 4 18 700 28 48 14 36 6 25 720 30 52 16 39 6 27 740 32 55

18 41 10 29

760 36 56 20 43 14 33 780 38 57 22 45 18 36 800 40 57 22 45 20 37 820 44 58 24 46 20 38 840 46 59 26 47 21 39 860 48 60 28 48 21 40

3.5.2.4.4 Spectral reflectance, Class 4, Desert MARPAT. The spectral reflectance of the colors in the Desert MARPAT cloth shall conform to the requirements specified in Table IVB, when tested as specified in 4.6.8.

TABLE IVB. Spectral reflectance requirements: reflectance (percent) for Class 4.

Desert MARPAT

Lt. Tan 479 Lt. Coyote 481 & Highland 480 Urban Tan 478

Wavelength (nm) Min. Max. Min. Max. Min. Max.

700 38 53 19 41 25 44 720 38 54 20 41 25 45 740 39 55 20 42 25 46 760 40 56 21 42 26 47 780 41 57 21 42 27 48 800 43 58 22 43 28 50 820 45 59 23 45 30 52 840 48 62 24 46 33 55 860 50 65 25 48 36 58

3.5.3 Reinforcing material, knee and seat. The reinforcement material used for the knee and seat patches shall be a plain weave, nylon cloth conforming to Type IV Class 2 of MIL-DTL-32439, Class 1 trousers shall be Style D, Class 2 trousers Style G, Class 3 trousers Style H, and Class 4 trousers Style F. The color of the face side of the cloth shall be camouflage printed.

3.6 Components.

3.6.1 Thread. The thread for all seaming and stitching shall be nylon conforming to A-A- 59826, Type I, Tex size 45-46, 2 or 3 ply (Government size B) or Type II, Tex size 45-51, 2 or 3 ply (Government size B). As an alternate, bobbin/looper threads can be nylon, Type I Tex size 30-32, 2 or 3 ply (Government size AA) or Type II Tex size 30-36, 2 or 3 ply (Government size AA). As an alternate to nylon thread, polyester, Tex size 45 ( Government size B), 2 or 3 ply, conforming to Type I, Class 1, Subclass B of A-A-59963, or size Tex size 46-60, 2 or 3 ply polyester core thread conforming to A-A-50199. All thread shall be water repellent treated as specified in MIL-T-3530. The color shall be Foliage Green 504 for Class 1, Tan 499 for Class 2 and 3, and Light Tan 479 or, as an alternate, Tan 380 for Class 4, unless otherwise specified in the contract.

3.6.2 Tape, hook and loop. The hook and loop fastener tape shall conform to Type II, Class

1 of A-A-55126, with selvage edges. No slit or split edges are permitted. Sew all hook and loop minimum of 1/8-inch from bound selvage to prevent needle cutting along edges. To prevent raveling, do not sew directly on selvage. However, each required width shall maintain a tolerance of (± 1/16)-inch as to prevent stitching runoffs or improper fit into automatic sewing equipment. The color shall match Foliage Green 504 for Class 1, Tan 499 for Class 2 and 3, and Light Tan 479 or Tan 380 for Class 4, unless otherwise specified in the contract.

3.6.2.1 Colorfastness, tape hook and loop. The colorfastness shall meet the requirements as specified in A-A-55126.

3.6.2.2 Hook and loop laundry durability test method. When tested in accordance with 4.6.14, the hook and loop tapes shall not exhibit fraying edges, peeling yarns, or damage appearance that detracts from the tape appearance or durability.

3.6.3 Elastic cord. The elastic cord shall be 3/16-inch wide, nylon elastic cord conforming to Type II of MIL-C-43701. The elastic cord shall have a seared and knotted end. The color shall match Foliage Green 504 for Class 1, Tan 499 for Class 2 and 3, and Coyote 498 or Tan 499 for Class 4, unless otherwise specified in the contract. Testing shall be as specified in Table VII.

3.6.4 Slide fasteners. Fly slide fastener (zipper) shall be A-A-55634, No 5 Continuous element chain, with 175 pounds minimum crosswise strength, Type I, Style 4, auto-lock slider, open top, closed bottom stop with water repellent treated slide fastener tape. The color shall be Foliage Green 504 for Class 1, Tan 499 for Class 2 and 3, and Coyote 498 or Tan 499 for Class 4, unless otherwise specified in the contract. Leg opening slide fasteners (zippers) shall be A- A-55634 Type I, Style 3 non-lock slider reversed such that face side of slide fastener (zipper) is tape side to maximize water repellent also pulling up on slider opens slide fastener (zipper) whereas, fly slide fastener (zipper) closes.

3.6.4.1 Zipper thongs. The zipper thongs shall be nylon tape, 3/8 inch wide conforming to Type III, MIL-PRF-5038. There shall be three (3) per garment with each threaded through a zipper pull and bartacked with 3/4-inch bartack. The color shall be Foliage Green 504 for Class 1, Tan 499 for Class 2 and 3, and Coyote 498 or Tan 499 for Class 4, unless otherwise specified in the contract.

3.6.5 Barrel lock. The barrel locks shall maintain a 3-pound minimum holding strength on elastic cord (see 3.6.3) at -40°F, 70°F and 140°F when tested in accordance with 4.6.13. The barrel lock shall be 1/2-inch by 3/8-inch elliptical or 3/8-inch round shape, minimum push-button size to easily operate with gloves. The color shall match Foliage Green 504 for Class 1, Tan 499 for Class 2 and 3, and Coyote 498 or Tan 499 for Class 4, unless otherwise specified in the contract.

3.6.5.1 Eyelets. The eyelets for the trouser waistband shall be in accordance with NASM-

20652/1B, aluminum or brass and have an internal diameter of 0.156-inch to 0.200-inch (dash No. ABE-102) or as an alternate (dash No BBE-114). The color shall be Foliage Green 504 for Class 1, Tan 499 for Class 2 and 3, and Coyote 498 or Tan 499 for Class 4, unless otherwise specified in the contract. The placement of the eyelets shall be placed 1 (±1/2) inch over from each side of the joining seam and centered on the hem.

3.6.5.2 Snap fasteners. Snap fasteners shall conform to MIL-DTL-10884 style 2A. The snap fasteners shall have a black chemical finish, except the button cap shells may have a Foliage Green 504 baked-on enamel finish for Class 1, Tan 499 for Class 2 and 3; and Coyote 498 or Tan 499 for Class 4. The enamel shall be uniformly coated over the top surface of the shell including the visible portion of the edge. The gloss for the black chemical finish and the enamel finish shall be no more than 40. The enamel shall be capable of withstanding attachment operations without removal of any enamel. The enamel coating shall be smooth and free of sags, runs, and streaks.

3.6.6 Elastic material. The elastic material used on the leg cuffs shall be in accordance with

MIL-W-5664, Type II, 1-inch (±1/16) inch in width. The color shall be natural.

3.6.7 Suspender loops (2). The suspender loops shall be nylon tape, 3-inch (±1/4) inch in length by 1/2-inch wide conforming to Type III, of MIL-PRF-5038. The color shall match Foliage Green 504 for Class 1, Tan 499 for Class 2 and 3, and Coyote 498 or Tan 499 for Class 4, unless otherwise specified in the contract. Suspender loops shall be placed centered between the first and second belt loop on the inside waist band and centered on the waistband topstitch.

Two (2) suspender loops are positioned equal distance from the center belt loop as per pattern placement.

3.7 Construction. See figures 1 through 4 and patterns for more details.

3.7.1 Bartacks. Bartacks shall be as follows and as shown in figures 1 through 4.

Bartack Location Bartack Length, Inch Quantity per Garment

Zipper thongs 3/4 3 Belt loops 1/4 14

Fly 3/8 1 Ankle cuff 3/4 2 Ankle tab 3/4 2

Suspender loops 3/8 4

3.7.2 Seams. The seams shall be consistent, exhibit a uniform appearance and conform to ASTM D 6193 stitch types, no raw edges of outer shell fabric allowed. Unless otherwise specified, Type 301 lockstitch at 9-12 stitches per inch shall be used. All seams or stitching that are evident on both the outside and inside of the garment shall be waterproof seams (i.e., a seam or stitch line with one side on the outside of the garment and its other side on inside of the garment). With the following exceptions: bartacks on loops, fly, and leg cuff. Loop fastener tape shall be stitched on the loop pile and not on the selvage.

3.7.2.1 Seam sealant tape. The seam tape shall be launderable and shall prevent water leakage through seams and stitching. Seam tape shall be applied only to the inside of the end item. Tape shall be cut 7/8-inch to 1-inch (± 1/16) inch wide strips from material that is compatible with the back side of cloth specified in Table I. The seam tape shall approximate the shade of the back of the basic cloth (see 3.5.2).

3.7.2.2 Waterproof seams. There shall be no leakage of waterproof seams when tested for hydrostatic resistance, initially and after five (5) launderings, as specified in 4.6.15.

3.7.3 Primary seams. Side seams, inseams, crotch seam, seat seam, and horizontal knee patch seams shall be seam type LSq-2 with seam tape sealing with minimum of 1/8-inch beyond seam allowance.

3.7.4 Waistband. Overedge 504 seam top edge of waistband and turn down 1- inch. Back center of elastic cording shall be double stitched or bartacked to serve as a hold down point. Insert elastic cording within 1-1/8-inch of waistband fold line and topstitch, EFa-1 301, to complete waistband in a continuous stitch line. Suspender webbing, 1/2-inch by 3-inch shall be attached with two (2) bartacks at both ends. Set metal snap with stud side on top of slide fastener (zipper) backing and socket on cover side.

3.7.5 Leg adjustment strap. Attach 1-inch by 1-1/4-inch hook tape per pattern placement.

Assemble 1-1/8-inch wide strap with SSc-1 seam with topstitching 1/16-inch nominal along three (3) edges.

3.7.6 Slide fasteners.

3.7.6.1 Slide fastener (zipper) cover (left). Attach left slide fastener (zipper) tape to fly slide fastener (zipper) cover facing with seam LSbj-1 per pattern placement. Seam facing to outer shell fly cut edge with SSa-1, turn and topstitch for SSc-1 finished seam. Topstitch J-stitch 1-3/8- inch from cover edge and finish topstitching at slide fastener (zipper) bottom tape.

Finished slide fastener (zipper) cover shall be 3/8-inch nominal from slide fastener (zipper) chain.

3.7.6.2 Slide fastener (zipper) backing (right). Sew backing pattern strips together with SSa-1 seam, turn and topstitch for SSc-1 finished seam at 1/16-inch from edge. Sew right side slide fastener (zipper) tape to backing strip and outer shell fly cut edge with SSa-1. Turn and top stitch assembly together 1/16-inch from edge turn-in along slide fastener (zipper) tape. Finished appearance shall show 1-inch backing from slide fastener (zipper) chain and 3/16-inch nominal slide fastener (zipper) tape. When slide fastener (zipper) is engaged the slide fastener (zipper) cover shall effectively cover slide fastener (zipper) and top stitch of backing and snap fastener stud and socket shall be aligned.

3.7.6.3 Leg opening zipper assembly. Sew three (3), 5/8-inch by 3-inch hook strips on inner slide fastener (zipper) cover and three (3) loop strips on outer slide fastener (zipper) cover per pattern placement. Fold in half lengthwise, and sew slide fastener (zipper) cover sides with SSa- 1, turn inside out and top stitch along three (3) sides 3/16-inch nominal from edges. Sew slide fastener (zipper) tape to outer shell fabric with seam LSba-2. Topstitch 1/16-inch nominal from edge. NOTE: Slide fastener (zipper) tape side shall be exposed to maximize water resistance.

Slide fastener (zipper) closes when slider is pulled down. Sew two (2) cover strips with LSbl-2 with top stitch 3/16-inch nominal along edge. Insert leg adjustment tab into lower portion of seam with hook tape side up. Finished appearance shall show inner cover fitting inside outer cover in a flat even manner when slide fastener (zipper) is engaged. Hook and loop tape strips shall be in alignment and leg adjustment tab inserted under outer cover (see figures 2 and 3).

3.7.7 Belt loops (7). Fold belt loop pattern strip in half to get 7/16-inch strip per seam type EFae-1 or alternative EFY-2 with stitch type 402 at 1/4-inch gauge. Place belt loops per pattern placement. Opening of belt loops shall be 2-inch minimum. No. 4 belt loop shall be dead center on seat seam. As necessary to facilitate the use of automated belt loop equipment, belt loops positioned over the pockets may be moved toward the front of the trousers by not more than 1-inch from pattern markings.

3.7.7.1 Pass through pockets. Overedge single layer inner pocket lining strip with 504 stitch and seam outer edge to outer shell fabric with SSa-1 seam, turn and finish with SSc-1 seam.

Fabricate double layer pocket facing strips as same with SSc-1 seam on inside and SSa-1 seam, on outside seam. Sew double layer facing strip to outer shell pocket location with seam LSq-2.

Sew two (2), 5/8-inch by 2-inch hook tapes 1/4-inch from edge of facing strip per pattern placement. Sew two (2), 5/8-inch by 2-inch loop strips per pattern placement for double layer pocket cover. Sew side edges with SSa-1, turn-in, fold cover in half and topstitch on three (3) sides 1/4-inch nominal from edges. Attach to pocket opening per pattern placement with SSa-1, turn and topstitch 1/2-inch nominal from pocket opening without sewing through pocket lining.

Finished pass through shall show pocket opening in exact line without seam with pocket flap laying flat with hook and loop strips in alignment.

3.7.8 Elasticized leg cuff. Insert 1-inch wide elastic webbing into leg hem front to back and close hem with LSd-1. Do not catch elastic into topstitch line. Topstitch 1-inch by 5-inch loop tape strips per pattern placement and leg adjustment straps into outer zipper cover topstitching with hook tape side facing out. See Table VI for relaxed leg opening measurement.

3.7.9 Labels. The trouser shall have a label in accordance with Type VI, Class 14 of MIL- DTL-32075. The color of the labels shall approximate the ground shade of the basic fabric or White. In addition it shall contain a bar coding label in accordance with Type VIII and Class 17.

3.7.9.1 The combination size, identification, and instruction label for the hard shell trouser.

The top (only) of the combination label shall be sewn on the inside of the trouser along the back of the waistband. The printed label shall be facing the body and it shall not be visible from the outside after use. The instruction label shall include the following information:

DO NOT STARCH, BLEACH, DRY CLEAN

OR PRESS THE TROUSER

LAUNDERING:

(a) Home laundering (machine/hand): Delicate/gentle fabric cycle setting or hand washing using a detergent. Rinse thoroughly in warm water. NOTE: Any residual detergent on the trouser will decrease the water repellency.

Home Drying: Tumble dry on permanent press setting. Remove immediately from dryer.

Do not overheat or over dry. To drip dry, place on a rust-proof hanger.

(b) Field Laundering: Trouser shall be laundered utilizing Formula II of FM 42-414. Field Drying: Tumble dry at low temperature setting. Remove immediately from dryer. Do not overheat or over dry.

(c) Field Restoration of Water Repellent Finish: Trouser shall be laundered utilizing Formula XII of FM 42-414. Dry trouser at a temperature not to exceed 150oF.

3.8 Patterns. Standard patterns will be furnished by the Government and provide a seam allowance of 1/4-inch for all seams, except where otherwise specified. The pattern list in Table V is provided to ensure that the pattern set provided is complete. The Government patterns shall not be altered in any way, and are to be used only as a guide for cutting the contractor’s working patterns. The working patterns will be identical to the Government patterns, except that additional notching to facilitate manufacture is possible. Also, minor modifications are permitted where necessary to accommodate manufacturer’s processes and using automatic equipment. These modifications shall not alter the serviceability or appearance requirements.

3.8.1 Pattern parts. The component parts shall be cut from the materials indicated and in accordance with the pattern parts listed in Table V.

TABLE V. Cutters must (list of pattern parts).

PIECE NAME FABRIC QTY

1 HSB_TOP FRONT LEFT LEG SELF CUT 1 FACE UP

2 HSB_TOP FRONT RIGHT LEG SELF CUT 1 FACE UP

3 HSB_KNEE UNDER SELF CUT 2

4 HSB_BOTTOM FRONT LEG SELF CUT 2

5 HSB_PANT SEAT UNDER SELF CUT 2

6 HSB_BACK LEG SELF CUT 2

7 HSB_LEFT FLY FACING SELF CUT 1 FACE UP

8 HSB_RIGHT FLY BACKING SELF CUT 2

9 HSB_ANKLE TAB SELF CUT 2

10 HSB_BELT LOOP SELF CUT 1

11 HSB_TOP FLAP SELF CUT 2

12 HSB_UNDER FLAP SELF CUT 2

13 HSB_WELT LEFT SELF CUT 2

14 HSB_WELT RIGHT SELF CUT 2

15 HSB_POCKET FACING SELF CUT 2

16 HSB_POCKET FLAP SELF CUT 2

17 HSB_PANT SEAT TOP CONTRAST CUT 2

18 HSB_KNEE TOP CONTRAST CUT 2

COMMENTS BELOW:

SELF = BASIC SHELL MATERIAL

CONTRAST = NYLON REINFORCING FABRIC

The lengths of the fly and leg opening slide fasteners for the various size-length trousers shall be as shown in Table VI, line items 5 and 6, respectively.

3.9. Type 301 stitching. When type 301 stitching is used, the ends of all stitching shall be backstitched or overstitched not less than 1/2-inch except where ends are turned under or caught in other seams or stitching. Ends of a continuous line of stitching shall over-lap not less than 1/2-inch. Thread tensions shall be maintained so that there will be no loose stitching resulting in loose bobbin or top thread or excessively tight stitching resulting in puckering of the materials sewn. The lock shall be embedded in the materials sewn.

3.9.1 Repairs of type 301 stitching.

a. When thread breaks, skipped stitches, run-offs, or bobbin run-outs occur during sewing, the stitching shall be repaired by restarting the stitching a minimum of 1/2-inch back of the end of the stitching. 1/

b. Except for pre-stitching, thread breaks or two (2) or more consecutive skipped or run- off stitches noted during inspection of the item shall be repaired by overstitching.

The stitching shall start a minimum of 1/2-inch in back of the defective area, continue over the defective area, and continue a minimum of 1/2-inch beyond the defective area onto the existing stitching. Loose or excessively tight stitching shall be repaired by removing the defective stitching without damaging the materials, and re-stitching in the required manner. 1/

1/ When making the above repairs, the ends of the stitching are not required to be backstitched.

3.9.1.2 Automatic stitching. Automatic machines may be used to perform any of the required stitch patterns provide the requirements for the stitch pattern, stitches per inch, and size and type of thread are met; and at least three (3) tying, overlapping, or back stitches are used to secure the ends of the stitching.

3.9.1.3 Thread ends. All thread ends shall be trimmed to a length of not more than 1/4-inch unless otherwise specified.

3.10 Finished measurements. The trousers finished measurements shall be in accordance with Table VI.

TABLE VI. Trouser finished measurements (measurements in inches).

REGULAR

XS

S

M

L

XL

2XL

TOL ±

( inches)

1 WAIST RELAXED 1/ 16 18 20 22 24 26 -1/4, +1/2

2 INSEAM 2/ 29 29 29 29 29 29 -1/2, +1/2

3 OUTSEAM 3/ 40-1/2 41 41-1/2 42 42-1/2 43 -1/2, +1/2

4 LEG OPENING - RELAXED 4/ 7 7-1/2 8 8-1/2 9 9-1/2 -1/4, +1/4

5 FRONT FLY ZIPPER OPENING 5/ 8 8 8-1/2 8-1/2 9 9 -1/2, +1/2

6 SIDE LEG ZIPPER OPENING 6/ 25 25 25 25 25 25 -1/2, +1/2

WAIST RELAXED CORD

KNOTTED 7/

-1/2, +1/2

SHORT XS S M

2 INSEAM 2/ 27 27 27 -1/2, +1/2

3 OUTSEAM 3/ 38 38-1/2 39 -1/2, +1/2

5 FRONT FLY ZIPPER OPENING 5/ 7-1/2 7-1/2 8 -1/2, +1/2

6 SIDE LEG ZIPPER OPENING 6/ 23 23 23 -1/2, +1/2

LONG S M L XL 2XL

2 INSEAM 2/ 31 31 31 31 31 -1/2, +1/2

3 OUTSEAM 3/ 43-1/2 44 44-1/2 45 45-1/2 -1/2, +1/2

5 FRONT FLY ZIPPER OPENING 5/ 8-1/2 9 9 9-1/2 9-1/2 -1/2, +1/2

6 SIDE LEG ZIPPER OPENING 6/ 27 27 27 27 27 -1/2, +1/2

TABLE VI. Trouser finished measurements (measurements in inches). – Continued

XLONG XL 2XL TOL ±

( inches)

2 INSEAM 2/ 33 33 -1/2, +1/2

3 OUTSEAM 3/ 47-1/2 48 -1/2, +1/2

5 FRONT FLY ZIPPER OPENING 5/ 10 10 -1/2, +1/2

6 SIDE LEG ZIPPER OPENING 6/ 29 29 -1/2, +1/2

1/ Waist measurement taken flat from folded edge to folded edge.

2/ Inseam is measured from bottom of crotch point straight to hem on inside of leg.

3/ Outseam measurement taken from top of waist to hem.

4/ Leg Opening is taken from folded edge to folded edge in a relaxed state.

5/ Front fly zipper is measured from bottom of waist topstitch to top of zipper stop.

6/ Side leg zipper is measured from top of top stop to bottom of bottom stop.

4, 5, 6, & 7 are for construction purposes only.

SEAM ALLOWANCE:

1/4-inch : all seams except for: 3/8-inch : Leg zipper construction NOTE: All measurement locations listed under the “regular” column are required for all lengths. To determine the required measurement for the various lengths – use the sizing designation across the top of the table (XS, S, M etc.).

3.11 Toxicity. The finished extreme cold wet weather trousers shall not present a health hazard and shall show compatibility with prolonged, direct skin contact when tested as specified in 4.6.16. Chemicals recognized by the Environmental Protection Agency (EPA) as human carcinogens shall not be used.

4. VERIFICATION

4.1 Classifications of inspections. The inspection requirements specified herein are classified as outlined below.

a) First article inspection (see 4.2)

b) Conformance inspection (see 4.3)

4.2 First article inspection. When a first article is required (see 3.1.1 and 6.3), it shall be examined for the defects specified in Table VIII, dimensions specified in Table VI, and tested as specified in 4.4, and 4.5.

4.3 Conformance inspection. Sampling for inspection shall be performed in accordance with ANSI/ASQ Z1.4, as defined by contract, except where otherwise specified.

4.4 Component and end item inspections. In accordance with 4.1, components and materials in the end items shall be tested in accordance with all the requirements of referenced documents unless otherwise excluded, amended, modified, or qualified in this document or applicable procurement documents. The Government reserves the right to inspect all components and end items to determine conformance to requirements.

4.5 Basic material, components and end item testing. The basic materials, components and end items specified in 3.5 and 3.6 shall be tested for the characteristics listed in Tables I, II, III, IV, IVA and IVB, in accordance with the test methods cited in Table VII.

TABLE VII. Basic shell, components, and end item testing.

Characteristic Reference Paragraph

Test Method

Basic shell material Fiber identification 3.5.2 AATCC-20 or ASTM D276 1/ Weave 3.5.2 Visual Weight 3.5.2.1 & Table I ASTM D3776/D3776M (Method C) Breaking strength 3.5.2.1 & Table I ASTM D5034 (G-E or G-T) Tearing strength 3.5.2.1 & Table I ASTM D2582 2/ Hydrostatic Resistance Initial, After strength of coating After high humidity After diethyltoluamide

3.5.2.1 & Table I 4.6.11.1

3.5.2.1 & Table I 4.6.11.2

3.5.2.1 & Table I 4.6.11.3

3.5.2.1 & Table I 4.6.11.4, 4.6.10 & 4.6.11.1

Moisture vapor transmission Initial (Procedure B & BW)

After synthetic perspiration (Procedure B & BW)

3.5.2.1 & Table I 4.6.1- 4.6.1.2

3.5.2.1 & Table I

4.6.3.2 & 4.6.1- 4.6.1.2

Stiffness At 32oF At 70oF

3.5.2.1 & Table I

3.5.2.1 & Table I 3/ & ASTM D747 4/

3.5.2.1 & Table I ASTM D747 4/

Blocking 3.5.2.1 & Table I 4.6.2 Basic shell material Water permeability – Initial After synthetic perspiration Initial and after laundering After physical surface appearance After flex (70oF) After diethyltoluamide

4.6.3

3.5.2.1 & Table I 4.6.3.2, 4.6.10 & 4.6.3

3.5.2.1 & Table I 4.6.3.3 & 4.6.3

3.5.2.1 & Table I 4.6.3.1

3.5.2.1 & Table I 4.6.11.4, 4.6.10 & 4.6.3

Spray rating Initial After one (1) and five (5) launderings

4.6.4.1

4.6.4.2

TABLE VII. Basic shell, components, and end item testing. - Continued

Resistance to organic liquid Initial After one (1) and five (5) launderings

3.5.2.1 & Table I

3.5.2.1 & Table I 4.6.5.1

4.6.5.2

Dimensional stability Warp

Filling

AATCC-96, Option 1C AATCC-96, Option 1C

Colorfastness to: 3.5.2.1, Table I & 3.5.2.2.5

4.6.9

Laundering (after 3 cycles) 3.5.2.2.5 & Table II 4.6.9.1 5/

Light (40 AFU or 170kJ/m2nm @ 420 nm)

3.5.2.2.5 & Table II 4.6.9.2 6/

Crocking (Dry and Wet) 3.5.2.2.5 & Table II AATCC-8 7/ Perspiration (Acid and Alkaline) 3.5.2.2.5 & Table II AATCC-15 5/ Color matching 3.5.2.1, Table I &

3.5.2.2 4.6.6

Pattern Execution 3.5.2.1, Table I & 3.5.2.3, 3.5.2.3.1 to

3.5.2.3.4 & 3.5.2.3.3.1

4.6.7

Spectral Reflectance 3.5.2.1, Table I &

3.5.2.4.1 to 3.5.2.4.4

& Tables III, IV, IVA & IVB

4.6.8

Toxicity 3.5.2.1, Table I & 3.11

4.6.16

Component Testing Fastener Tape, Hook and Loop (3.6.2)

Color 3.6.2 4.6.6 Laundry Durability 3.6.2.2 4.6.14 - 4.6.14.2

Elastic cord (3.6.3) Width 3.6.3 Visual Elongation 3.6.3 4.6.14 Weight 3.6.3 ASTM D3776/D3776M Picks/inch 3.6.3 Visual Number of carriers 3.6.3 Visual Ends per carrier 3.6.3 Visual Elastic strands/width 3.6.3 4.6.15

TABLE VII. Basic shell, components, and end item testing. - Continued

Component Testing - Continued Slide fastener (3.6.4)

Breaking Strength Crosswise 3.6.4 ASTM D2061 Water repellency 3.6.4 A-A-55634

Barrel lock (3.6.5) Strength At -40oF

At 70oF At 140oF

3.6.5 4.6.13

3.6.5 4.6.13

3.6.5 4.6.13

End item testing Sealed Seams 3.5.2.1, Table I

& 3.7.2 4.6.15

1/ In case of dispute, the ASTM Method prevails 2/ Tear strength, ASTM D2582, with exceptions as follows: five (5) warp and five (5) filling specimens shall be tested. Specimen size shall be 8-inches by 8-inches. Only one (1) tear shall be made on a single specimen. The specimen shall be positioned with the face side toward the probe and with the designated yarns of the face fabric at right angles to the direction of tear. The test shall be conducted using the standard drop height of 508 (± 2) millimeters. If the tear is not straight on face side of the specimen, the result shall be considered invalid and another specimen shall be tested. The thickness of the specimen shall not be measured.

3/ The test specimens and testing machine shall be exposed to 32°F(±2)°F for four (4) hours.

The test shall then be performed in still air at that temperature.

4/ Stiffness (bending moment) shall be conducted in accordance with ASTM D747 except as follows:

a. Unless otherwise specified, the testing conditions shall be in accordance with ASTM D1776/D1776M.

b. The test specimen shall be a rectangle of cloth of dimensions 2-inches by 1-inch with the long dimension parallel to the fabric direction under test, warp or filling, as applicable.

c. The load scale reading shall be recorded only at the specimen angular deflection of 60 degrees.

d. The stiffness is the bending moment of specimen at a deflection angle of 60 degrees and shall be calculated to three (3) significant figures as follows:

Bending moment, in.-lb. = Load scale reading x moment weight*

* Testing machine of Tinius Olsen Testing Machine Co.

5/ Rated using the AATCC Gray Scale for Color Change and AATCC Gray Scale for Staining.

6/ Rated using the AATCC Gray Scale for Color Change.

7/ Rated using the AATCC 9-Step Chromatic Transference Scale

4.6 Methods of testing. All testing shall be done in a standard condition environment defined by the ASTM D1776/D1776M, if not specifically defined by the individual test procedure.

4.6.1 Moisture Vapor Transmission Rate. ASTM E96/E96M with temperature and humidity conditions of 73.5 (± 1)oF and 50 (± 2) percent relative humidity. The linear air flow velocity in the wind tunnel shall be set to yield an upright, ‘open cup’ evaporation rate at all test specimen positions of 15000 (± 1000) grams per square meter after twenty-four (24) hours (The evaporation rate shall be determined by conducting an upright cup, Procedure B test (see 4.6.1.1), without a test specimen for a period of exactly 2-hours).

4.6.1.1 Procedure B, ASTM E96/E96M. The back side of the basic material shall face the water. The test specimen shall be conditioned, after set-up in the test cup with water level of 3/4(±1/16) -inch below the specimen surface, in the wind tunnel for a period of not less than 4-hours and not more than 16-hours (Conditioning time of less than 4-hours may be used provided that equilibrium conditions have be demonstrated to exist within the test sample/sample cup/wind tunnel. In cases of dispute, the conditioning time shall be 4-hours.

After conditioning, the cup shall be immediately weighed to start the test and again after exactly 24- hours to complete the test. Five (5) specimens shall be tested.

4.6.1.2 Procedure BW, ASTM E96/96M. The back side of the basic material shall face the water.