Attachment_0016_M82E3_Percussion_Primer_Draft_Spec_(Foam_Washer)_Final_Draft_2017_06_20.docx

INCH-POUND

NOTE: This draft 20 June 2017 prepared by U.S. Army ARDEC, RDAR-QES-E, Picatinny Arsenal, NJ has not been approved and is subject to modification. DO NOT USE PRIOR TO APPROVAL. (Project #?)

DRAFT

DETAIL SPECIFICATION-Draft

PRIMER, PERCUSSION, M82-FW

This specification is approved for use by the US Army and is available for use by all Departments and Agencies of the Department of Defense.

1. SCOPE

1.1 Scope. This specification covers the metal parts/loading, assembling and packing for Primer, Percussion, M82-FW (Foam Washer attached to plunger configuration).

2. APPLICABLE DOCUMENTS

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 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 requirements documents cited in sections 3 and 4 of this specification, whether or not they are listed.

MIL-DTL-82-FW

Comments, suggestions, or questions on this document should be addressed to: Commander, U.S. Army ARDEC, ATTN: AMSRD-AAR-QES-E, Picatinny, New Jersey 07806-5000 or e-mailed to usarmy.picatinny.ardec.list.ardec-stdzn-branch@mail.mil. Since contact information can change, you may want to verify the currency of this information using ASSIST Online database at https:/ /assist.dla.mil.Distribution Statement D- Distribution Authorized to the Department of Defense and U.S. DOD Contractors only (Critical Technology, 01 June 2015). Other requests shall be referred to office of the Project Manager, SFAE-AMO-CAS, ATTN:Conventional Ammo Division, Picatinny Arsenal, NJ 07806.

2.2 Government documents

2.2.1 Specifications, standards, and handbooks. The following specifications, standards, and handbooks form a part of this specification to the extent specified herein. Unless otherwise specified, the issues of these documents are those listed in the issue of the Department of Defense Index of Specifications and Standards (DoDISS) and supplement thereto, cited in the solicitation.

SPECIFICATIONS

STANDARDS

DEPARTMENT OF DEFENSE

MIL-P-223 - Powder, Black

MIL-STD-331 - Fuze and Fuze Component, Environmental and Performance Tests for.

MIL-STD-1168 - Ammunition Lot Numbering and Ammunition Data Card

MIL-STD-1916 - DOD Preferred Methods for Acceptance of Product

(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 of these documents are those cited in the solicitation (see 6.2).

US ARMY ARMAMENT RESEARCH, DEVELOPMENT AND

ENGINEERING CENTER (ARDEC) DRAWINGS

DS000848 Combination of Adopted Items For: M82-FW

U.S. ARMY DEFENSE AMMUNITION CENTER (DAC) DRAWINGS

Test Operation Procedure (TOP)

2.3 Non-Government publications.

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

3.2 Conformance. A sample shall be subjected to conformance inspection in accordance with 4.3.

3.3 Materials, components and assemblies. Materials, components, and assemblies shall be in accordance with all requirements specified on drawings 8861197, 8861199, 8861201, WSHR001, DS000515, 19-48-4116/158G.

3.3.1 Primer No. 34. The primer No. 34 shall comply with Drawing 10522621 when tested as Cartridge, 7.62mm, NATO, Ball, M80.

3.4 Ammunition lot numbering. Ammunition lot numbers shall be assigned in accordance with MIL-STD-1168C.

3.5 Moisture content of black powder. The moisture content of the black powder at the loading station, at the time of loading shall not exceed 0.5 percent when determined as specified in 4.4.3.

3.6 Mercurous Nitrate Test. The primer bodies shall exhibit no crack when subjected to the mercurous nitrate test specified in 4.7.9.

3.7 Non-Functioning Test. The primer, without the black powder charge, shall not function under an applied impact energy value of 24.51 inch ounces minimum (min.), when tested as specified in 4.7.1.

3.7.1 Non-Functioning sampling plan. The sampling plan for the non-functioning test shall be in accordance with table III. Any primer which fails to comply with the applicable requirement shall be classified as defective. The test shall be performed as specified in 4.7.1.

3.8 Functioning

3.8.1 Static Test. The primers, without the black powder charge, shall function under an applied impact energy value of 147.06 inch ounces maximum (max.) when tested as specified in 4.7.3.

3.8.2 First Article Ballistic Test. The primers, with the black powder charge, shall fire, with no perceptible hangfires, metal parts separation, or evidence of rupture or erosion and the primer must obturate and shall remain intact upon firing, when tested as specified in 4.7.4.

3.8.3 Chamber gage. The completed primer shall freely enter the prescribed chamber gage and shall be tested according to the requirements in Drawing #8872774.

3.9 Modified Bruceton sensitivity test. A modified Bruceton sensitivity test shall be performed on each lot of No. 34 primers for use in the M82 primers. The test shall be conducted in accordance with 4.7.5 and the test results shall be fully evaluated for acceptance by the Technical Agencies prior to use in the M82 primers.

3.10 Air Pressure test. 150 container assemblies shall be randomly selected for this test.

3.11 Rockwell Hardness test. Ten bodies shall be randomly selected for this test.

3.12 Grain Size test. Ten bodies shall be randomly selected for this test.

3.13 Rupture test. 110 container assemblies shall be randomly selected for this test.

3.14 Workmanship. Components shall be free of burns, sharp edges, cracks, dirt, grease, corrosion, and other foreign matter. Cleaning methods used shall not be injurious to any parts, nor shall the cleaning agents contaminate the parts. All required marking and stamping shall be neat and sharply defined.

4. Verification

Table I. Requirements/verification cross reference matrix

1- Analysis 2- Demonstration 3- Examination 4- Test

A - First Article

B - Conformance

Section 3 Requirements

Method Verification Class Section 4 Verification

4.2

X

X

4.1 Classification of inspection. The following types of inspection shall be conducted on this item:

a. First Article inspection (see 4.2)

b. Conformance Inspection (see 4.6)

4.2 First Article inspection. When specified, a sample shall be subjected to first article verification in accordance with Table II.

4.3 First article rejection. If any assembly, component or test specimen fails to comply with any of the applicable requirements, the first article sample shall be rejected.

4.4 No. 34 Primer Qualification. This is a one-time qualification test for new manufacturers of No. 34 primers for use in the M82 primers.

4.4.1 Submission. Test samples shall be randomly withdrawn from the first lot produced by the new manufacturer of No. 34 primers. The test sample shall be tested in accordance with all the requirements of this specification and with 4.4.2, 4.4.2.1 and 4.4.2.2. Until the first article test has been performed and found to be acceptable (the test data will be evaluated by the Technical Agencies), the contractor is in no way authorized by the Government to initiate second lot production unless otherwise directed by the Contracting Officer.

4.4.2 Ignition element assembly vibration test. One thousand (1000) No. 34 primers shall be loaded into ignition element assemblies (Dwg. 8861199) and tested as follows:

4.4.2.1 Five hundred (500) ignition element assemblies from 4.4.2 shall be conditioned at 145 degrees F for 24 hours and tested in accordance with test #119, procedure 2 of MIL-STD-331C vibration frequency 5Hz-500Hz-5Hz in sweep method. Sweep logarithmically in 30 minute cycles for one hour. After the vibration test, all the assemblies shall be subjected to visual inspection. Any evidence of breakup of the cellulose disk or dusting of lead styphnate will be cause for rejection of the first article test samples.

4.4.2.2 Five hundred (500) ignition element assemblies from 4.4.2 shall be conditioned at -65 degrees F for 24 hours and tested in accordance with test #119, procedure 2 of MIL-STD-331C vibration frequency 5Hz-500Hz-5Hz in sweep method. Sweep logarithmically in 30 minute cycles for one hour. After the vibration test, all the assemblies shall be subjected to visual inspection. Any evidence of breakup of the cellulose disk or dusting of lead styphnate will be cause for rejection of the first article test samples.

4.4.3 Loose cargo and functioning test. Four hundred and fifty

minimum of 24 hours and subjected to loose cargo test in accordance with TOP 4-2-602. After the loose cargo test, all the M82 primers shall be tested for functioning in a M109 Howitzer with a bump spindle without propelling charge or projectile.

4.4.3.2 70 degrees F. One hundred and fifty (150) M82 primers from 4.4.3 shall be conditioned at 70 degrees F for a minimum of 24 hours and subjected to loose cargo test in accordance with TOP 4-2-602. After the loose cargo test, all the M82 primers shall be tested for functioning in a M109 Howitzer with a bump spindle without propelling charge or projectile.

4.4.3.3 -65 degrees F. One hundred and fifty (150) M82 primers from 4.4.3 shall be conditioned at -65 degrees F for a minimum of 24 hours and subjected to loose cargo test in accordance with TOP 4-2-602. After the loose cargo, all the M82 primers shall be tested for functioning in a M109 Howitzer with a bump spindle without propelling charge or projectile.

4.4.4 M82 primer functioning test. Two thousand (2000) No. 34 primers shall be loaded into M82 primers and tested as follows:

4.4.4.1 145 degrees F. One thousand (1000) M82 primers from 4.4.4 shall be conditioned at 145 degrees F for a minimum of 24 hours and tested for functioning in a M109 Howitzer with a bump spindle without propelling charge or projectile.

4.4.4.2 -65 degrees F. One thousand (1000) M82 primers from 4.4.4 shall be conditioned at -65 degrees F for a minimum of 24 hours and tested for functioning in a M109 Howitzer with a bump spindle without propelling charge or projectile.

Table II. First article inspection.

Cup, Ignition, Dwg. 8861200 Examination for Defects

Closure, Dwg. 8861206 Examination for Defects

Body, Dwg. 8861198 Examination for Defects

Plunger, Dwg. 8861211-FW Examination for Defects

Foam Washer, Dwg. WSHR001 Examination for Defects

Container Assembly, Dwg. 8861204 Examination for Defects

4.6.2.2

Container, charge assembly, prior to sealing closure Dwg. 8861201 Examination for defects

Container, charge assembly Dwg. 8861201 Examination for defects

Container cup, Dwg. 8861205 Examination for defects

Ignition Element Assembly, Dwg. 8861199 Examination for Defects

Nonfunctioning test Dwg. 8861197 Examination for defects

Functioning test(without black powder) Dwg. 8861197 Examination for defects

Functioning test (with black powder) Dwg. 8861197 Examination for defects

Primer, Percussion, M82, Assembly Dwg. 8861197 Examination for Defects

3.3

4.6.2.10-4.6.2.12

Tube,container Dwg. 8861203 Examination for defects

Assembly, prior to inserting ignition element Dwg. 8861197 Examination for defects

Assembly, prior to assembling container charge assembly Dwg. 8861197 Examination for defects

Modified Bruceton Test Examination for defects

Mercurous Nitrate Test Examination for defects

Air Pressure Test Examination for defects

Rockwell Hardness Test Examination for defects

Grain Size Test Examination for defects

Rupture Test Examination for defects

Table III. First article inspection (packaging)

Packing and Marking for box, fiberboard (Sealed Envelope)

DS000517

Examination for defects

Packing and Marking for box, fiberboard (Fiberboard Box)

DS000517

Examination for defects

Packing and Marking for box, metal, ammunition, M2A1 (prior to closing)

DS000516

Examination for defects

Packing and Marking for box, metal, ammunition, M2A1 (closed)

DS000516

Examination for defects

Packing and marking for box, wirebound

DS000515

Examination for defects

Unitization procedures for boxed ammunition and components on 4-way entry pallets 19-48-4116/158G Examination for defects

4.6 Conformance inspection.

4.6.1 Lot formation. Lot formation shall be in accordance with lot formation requirement of MIL-STD-1916 paragraph 4.2, Acceptance by Tables. In addition, each lot of primers shall contain:

a. Percussion primers of one lot interfix number from one manufacturer.

b. Primer metal components of one lot interfix number from one manufacturer.

c. Black powder from not more than two lot numbers with the same interfix number from one manufacturer. A lot of black powder shall be used to completion.

4.6.2 Classification of characteristics

a. Sampling requirements. Inspection sampling requirements for critical, major and minor characteristics are defined in MIL-STD-1916. Unless specified otherwise, Verification Level VII in addition to 100% inspection shall be used for all characteristics defined as Critical, Verification Level IV shall be used for all characteristics defined as Majors and Inspection Level II for all Minor characteristics.

b. Conformance inspection. Conformance inspection shall be performed in accordance with paragraph 4.6.2.1 through 4.6.2.23. For all conformance inspections the same sample specimen may be used for all non-destructive examinations or tests.

c. Alternative inspections. Alternative conformance inspections may be submitted and approved in accordance with MIL-STD-1916.

MIL-P-60318C (AR)

CONFORMANCE INSPECTION

CLASSIFICATION OF CHARACTERISTICS

PARAGRAPH

4.6.2.1

TITLE

Tube, container

DRAWING NUMBER

8861203

CATEGORY

PARAGRAPH

PARAGRAPH REFERENCE/

INSPECTION METHOD

Major

Minor

Concentricity of outside diameter with threads Outside diameter Inside diameter of container cup end Inside diameter opposite cup end Concentricity of inside diameter with thread Concentricity of the inside diameter of cup end with thread Total length

Pitch diameter of threads, maximum (max.)

Major diameter of threads, max Width of slots, min Depth of slots Depth to interior shoulder, max Finish improper Evidence of poor workmanship

Level II

Level II Level II Level II Level II Level II

Level II Level II Level II Level II Level II Level II

3.3 3.3 3.3 3.3 3.3

3.3 3.3 3.3 3.3 3.3 3.3

AIE

AIE

AIE

AIE

AIE

AIE

AIE

AIE

AIE

AIE

AIE

AIE

AIE

Visual

PARAGRAPH

4.6.2.2

TITLE

Container Assembly

DRAWING NUMBER

8861204

CATEGORY

PARAGRAPH

PARAGRAPH REFERENCE/

Major

Minor

Cup ruptured Air pressure test

Depth to cup, max Braze not 360° Freedom from oil and grease Freedom from alkalies and strong acids Evidence of poor workmanship Level IV Level IV

Level II Level II Level II Level II

Level II 3.3 3.3

3.3 3.3 3.3 3.3

3.14

AIE

AIE(4.7.11)

AIE

Visual Visual Manual(4.7.12)

Manual(4.7.13)

PARAGRAPH

4.6.2.3

TITLE

Closure

DRAWING NUMBER

8861206

CATEGORY

PARAGRAPH

PARAGRAPH REFERENCE/

Minor

Disc ruptured

Disc not completely fastened to washer Level II

Visual

8861198-1(Draft)

Major

Minor

Seat

4.6.2.5

8861200

Major

Minor

4.6.2.6

8861211-FW(Draft)

Criteria Requirement Paragraph Inspection Method

Major

Minor

4.6.2.7

8861199

Major

Minor

Note 1: Ignition element assemblies shall be either visually or automatically inspected 100% for the presence of the cellulose disk. Any sample which is found to have the disk missing inside the ignition element assembly shall be removed from the lot. Inspection may be performed immediately prior to inserting the primer or after the primer is inverted.

4.6.2.8

8861201

Major

Minor

4.6.2.9

8861201

Major

Minor

4.6.2.10

8861197

Minor

4.6.2.11

8861197

Major

Minor

Note 1: One sample shall be randomly withdrawn from each ½ hour accumulated production prior to insertion of the container charge assembly. The ignition element assembly shall be unscrewed and extracted from the primer body for inspection. Failure to find evidence of lacquer on the ignition assembly seat or thread shall be cause for rejection of entire production run represented by the sample.

4.6.2.12

8861197

Major

Minor

4.6.2.13

8796535

Major

Minor

4.6.2.14

8796678

Major

Minor

4.6.2.15

8796679

Major

Minor

4.6.2.16

WSHR001(Draft)

Major

Drawing Number

DS000517(Draft)

Conformance

Requirement Next higher assembly DS000516(Draft)

Major

Minor Heat Seal Test

Drawing number

DS000517(Draft)

Next higher assembly DS000516(Draft)

Major

Minor

Packing and marking for box, metal, ammunition, M2A1 (prior to closing)

Drawing number

4.6.2.19

DS000516(Draft)

Next higher assembly DS000515(Draft)

Major

Minor

Drawing number

DS000516 (Draft)

Next higher assembly DS000515(Draft)

Major

Minor

Drawing number

DS000515(Draft)

Next higher assembly

Major

DOT marking missing, incorrect, or illegible (when applicable) Contents loose when box is tilted

Level IV

Level IV

5.1

5.1

Wire missing, broken, or loose Wire improperly secured Level IV Level IV 5.1 5.1 Visual/Manual Visual

Minor

Marking (other than DOT) incomplete, misleading or unidentifiable Metallic seal missing, unsealed or improperly positioned Evidence of poor workmanship Level II

Level II Level II 5.1

5.1 3.10 Visual

Visual

NOTES:

Unitization Procedures For Boxed Ammunition and Components on 4-Way Entry Pallets

Drawing number

4.6.2.22

19-48-4116/158G

Next higher assembly

Major

DOT marking missing, incorrect, or illegible (when applicable) Skids missing, broken or loose Strapping missing, loose, engaged improperly or mislocated Boards broken or split full length Number of containers incorrect

Level IV

Level IV Level IV Level IV Level IV

5.2

5.2 5.2 5.2 5.2

Visual

Visual Visual Visual

Minor

Skids partially split Boards partially split Marking (other than DOT) incomplete, misleading or unidentifiable Evidence of poor workmanship Level II Level II Level II

Level II 5.2 5.2 5.2

3.10 Visual Visual Visual

NOTES:

4.6.2.23

8861205

Major

4.7 Testing.

4.7.1 Nonfunctioning

4.7.1.1 A steel ball approximately 1-19/32 inches in diameter and weighing 16.34 plus or minus

0.02 ounces shall be dropped on the firing pin from a height of 1 ½ inches minimum. The drop height shall be measured as the distance between the bottom of the ball and the top of the firing Pin. Any primer assembly that fires shall be classified as defective.

4.7.1.2 Beginning with the first lot produced and continuing until three consecutive lots have complied with the acceptance criteria specified, a sample of 150 head assemblies shall be randomly selected from each lot for the test. The head assembly includes the plunger, body, and ignition element assembly without the container charge assembly (see Dwg. 8861197). If any sample fails to comply with the requirements the lot shall be rejected. The test shall be performed as specified in 4.7.1.1.

4.7.1.3 After three consecutive lots have met the criteria of 4.7.1.2, a sample of 50 head assemblies shall be randomly selected from each lot for this test. If one or more primers fails to comply with the applicable requirement, the lot shall be rejected. The test shall be performed as specified in 4.7.1.1. Primers subject to this test shall be destroyed.

4.7.2 Functioning

4.7.2.1 Without black powder charge

4.7.2.2 With black powder charge.

4.7.2.2.1 This test is required for ballistic first article only and shall be performed as specified in 4.7.4.

4.7.3 Static Test. The primer assembly less the black powder charge shall be tested as specified

4.7.6 Moisture content of black powder. The moisture content of the black powder shall be determined in accordance with the procedure specified in Specification MIL-P-223. A sample of one container charge assembly, prior to assembly to the primer body shall be randomly selected from each eight hours production. The black powder shall be randomly selected from each eight hours production. Any failure to comply with the applicable requirement shall be cause for rejection of eight hours production represented by the sample.

4.7.16 Heat Seal Test- The seals shall comply with the test specified in MIL-STD-2073, paragraph G.4.3.

5. PACKAGING

5.1 Packaging. The primers shall be packed and marked in accordance with drawing DS000515, DS000516 and DS000517.

5.2 Unitization. Boxes shall be unitized in accordance with drawing 19-48-4116/158G.

6. NOTES

(This section contains information of a general or explanatory nature that may be helpful, but is not mandatory.)

6.1 Intended use. The components and assemblies covered by this specification are intended for use on all M82 series percussion primers.

6.2 Acquisition requirements. Acquisition documents must specify the following:

a. Title, number and date of this specification.

b. Packaging requirements (see 5 and 6.3).

c. Requirements for submission of first article sample.

d. Requirement for submission of acceptance inspection equipment.

e. Check Test for possible deterioration of M82 Primer.

f. Primer Qualification.

6.3 Packaging drawings. Drawings listed in this section are for reference only. The government's current packaging for the M82 Percussion Primers as defined by Technical Data Package (TDP) 8796535 and 8796679, is included for reference. The contractor may use the information contained in the TDP as guidance for its own design. If the contractor chooses to build to the current approved TDP (8796535 and 8796679) the Government will waive the testing required to meet the First Article performance test requirements of the packaging specification, except for Performance Oriented Packaging (POP) testing which is still required to transport hazardous materials in accordance with Code of Federal Regulations (CFR), Title 49. Unless otherwise noted, the custodian of the following drawings is the U.S. Army Armament Research, Development and Engineering Center, Picatinny Arsenal, NJ 07806-5000;

a. 8796535 Box, Packing, Ammunition, for Primers, Percussion-Electric M75 or Percussion M82.

b. 8796679 Box, Set-up, Packing, Ammunition, for Primers, Percussion-Electric M75 or Percussion M82.

6.4 Visual standards. Visual standards for evaluation of defects will be established for each contract after the first month’s production. However, establishment of visual standards will not waive the requirements for compliance with the requirements of the applicable drawing.

6.5 Check test for possible deterioration of M82 series artillery primers. The following tests are designed to prevent the loading of deteriorated artillery primers into a major ammunition item. The test should be performed on artillery primers from each lot which has been stored under normal conditions for more than three years or under adverse conditions for any period of time. If the specification for the ammunition item into which the artillery primers are loaded does not require that a check test be performed, the contracting officer should insert a provision for the performance of the check tests in the contract.

6.6 Nonfunctioning. The Sampling plan for the non-functioning test shall be in accordance with table III. Any primer which fails to comply with the applicable requirement shall be classified as defective. The test shall be performed as specified in 4.7.1.

Table IV. Nonfunctioning Test Samples

*No acceptance on first or second sample.

6.7 Functioning. The sampling plan for this test shall be in accordance with table IV. Any primer which fails to comply with the applicable requirements shall be classed as defective. The test shall be performed as specified in 4.7.2.

Table V. Functioning Test Samples

*No acceptance on first or second sample

6.8 Moisture content of black powder. A sample of 25 primers shall be selected for this test. The black powder shall be removed from the flash tube by any suitable means. The moisture content of the powder should

6.13 Critical classification notes.

6.15 Subject term (key word) listing.

NOTE: The activities listed above were interested in this document as of the date of this document. Since organizations and responsibilities can change, you should verify the currency of the information above using the ASSIST Online database at https://assist.dla.mil.