1、MIL-P-70637 13 7779706 O356476 7 s -3 7-LE MIL-P-7 O 63 7 (AR) 2 WZ.Q;?I l9G8 MILITARY SPECIFICATION PROJECTILE I 20MM, ARMOR PIERCING-TRACER, M95, METAL PARTS This specification is approved for use within the U.S Army Armament Munitions and Chemical Command and is available for use by all Departmen
2、ts and Agencies of the Department of Defense. . 1. SCOPE * assurance provisions, preparation for delivery of metal parts for 1.1 Scope. This specification covers requirements, quality Projectile, 20MM, Armor Piercing Tracer (APT) M95. 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifica
3、tions, and standards. The following specifications, and standards form a part of this specification to the extent specified herein. Unless otherwise specified, the issue of these documents shall be those listed in the issue of the Department of Defense Index of Specifications and Standards (DoDISS)
4、and supplement thereto, cited in the solicitation. SPECIFICATIONS O FE DE RAL TT-C- 4 9 O - Cleaning Methods and Pretreatment of Ferxous Surfaces for Organic Coatings MIL I TARY MIL-A-12560 - Armor Plate, Steel, Wrought, Homogenous MIL-A-48078 - Ammunition, Standard Quality Assurance (for use in Com
5、bat-Vehicle Ammunition Testing) Provisions, General Specification for STANDARDS I 1 Beneficial comments (recommendations, additions, deletions) and any pertinent data whlch may be of use in Improving this document should be addressed to: Commander, U.S. Army Armament,Munitions and Chemical Command,
6、Atm. AMSMC-QA. Picatinny Arsenal, New Jeney 07806-5000 by using the self-addressed Standardiza- tion Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. I I AMSC N/A FCC 1305 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited
7、. THIS DOCUMENT CONTAINS 26 PAGES. - Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-70b37 13 7977706 0356477 O = MIL-P-70637 (AR) MILITARY MIL-STD-105- Sampling Procedures and Tables for Inspection by Attributes MIL-STD-651- Visual Inspection
8、Standards for 20MM MIL-STD-1168- Lot Numbering of Ammunition MIL-STD-1169- Packaging, Packing and Marking for Shipment Ammunition and Components of Inert Ammunition Components 2.1.2 Other Government documents, drawings and publications. The following other Government documents, drawings and publicat
9、ions form a part of this specification to the extent specified herein. those in effect on the date of solicitation. Unless otherwise specified, the issues shall be DRAWINGS (SEE 6.7) US ARMY ARMAMENT RESEARCH, DEVELOPMENT AND ENGINEERING CENTER (ARDEC) Product and Packaging Drawings 7258816 - Blank,
10、 Rotating Band 7258861-5 - Carton, for Interplant Shipment of 7259136-5 - Shipping Container for Inert Projectile, 12576577 - Projectile, 20mm, Armor Piercing Tracer, 12576578 - Body and-Windshield Assy, Proj., 20mm, 12576579 - Body and Rotating Band Assy, Proj., 20mm 12576580 - Body, Shot, Proj., 2
11、0mm, Armor Piercing 12576581 - Windshield, Proj., 20mm, AP-T, M95 7259190-1 - Cartridge, 20mm for M90 Type Projectile Projectiles, 20mm, Assemblies and Metal Parts Assemblies (200) 20mm Assemblies and Metal Parts Assemblies (10,000) M95, M/P AP-T, M95 AP-T, M95 Tracer, M95 Metal Parts Test Inspectio
12、n Equipment Drawings 5055857 - Comb Ring and Snap Gage 7259353 - Go, Flat Plug Gage, Special 7259467 - Comparator, Optical, Hand Type 7259536 - Not Go, Flat Plug Gage, Special 7259545 - Operating Instructions (Band Tester) 7259718 - Optical Gaging Chart 7275149 - Step Plug Gage 7286995 - Flush Pin G
13、age Assembly 7287005 - Flush Pin Gage 7558294 - Staging Fixture, Gage Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-70637 (AR) 7558875 - Indicator Gage 7558876 - Acceptance Check 8655592 - Special Go Plain Ring Gage 8657201 - Optical Gaging C
14、hart 11075094 - Gage, Snap, Go, Special 11075203 - Eddy Current Flaw Detector PUBLICATIONS AMCR 715-505 - Ammunition Ballistic Acceptance Test Methods, Volume 8, Test Procedures for 20MM Cartridges. U.S. ARMY TEST AND EVALUATION COMMAND PUBLICATIONS TECOM TOP 2-2-710 - Ballistic Test of Armor Materi
15、als (Copies of specifications, standards, drawings, and publications required by contractors in connection with specific procurement functions should be obtained from the contracting activity or as directed by the contracting activity. ) 2.2 Other publications. The following document (s) form a part
16、 of this specification to the extent specified herein. Unless otherwise specified, the issue of the documents which are DoD adopted shall be those listed in the issue of the DoDISS specified in the solicitation. Unless otherwise specified, the issues of documents not listed in the DoDISS shall be th
17、e issue of nongovernment documents which is current on the date of the solicitation. AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) ASTM B117 - Standard Method of Salt Spray (Fog) Testing ASTM-E18 - Method of Test for Rockwell Hardness and Rockwell Superficial Hardness of Metallic Materials (Appl
18、ication for copies should be addressed to the American Society for Testimg and Materials, 1916 Race Street, Philadelphia, Pa. 19103.) 2.3 Order of precedence. In the event of a conflict between the text of this specification and the references cited.herein, (except for associated detail specificatio
19、ns, specification sheets or MS standards) the text of this specification shall take precedence. Nothing in this specification, however, shall supersede applicable laws and regulations unless specific exemption has been obtained. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted
20、without license from IHS-,-,-a Material. Mater,als shall be in accordance wi ap;?licable drawings and specifications. h the MIL-P-70637 13 7777906 0356477 4 MIL-P-70637 (AR) 3. REQUIREMENTS 3.1 General. b. Manufacturing process. All parts and assemblies shall be manufactured by a process apsroved by
21、 the contracting officer, and no deviation from that process shall be made without prior approval (6.4) . all requirements specified on Drawing (Dwg.) 12576577, all associated drawings, and with all requirements specified in applicable specifications. 3.3 First article . When specified in the contra
22、ct or 3.2 Components. All parts and assemblies shall comply with purchase order, a samsle shall be subjected to a first article inspection in accordance with the technical provisions herein (see 4.3 and 6.5). 3.4 Banding. The rotating band blank and the rotating band seat shall be clean at the time
23、of banding. Shot or sandblasting shall not be used to clean the rotating band seat after knurling. The rotating band blank shall fill the band seat. 3.5 Soundness. Metal dicontinuity in the projectile body as determined by eddy current inspection shall be less than that represented by production che
24、ck standard (PCS) No 1. 3.6 Protective coating 3.6.1 Phosphate coating. The,pretreatment cleaning process shall be in accordance with the applicable requirements of Dwg. 12576577. The phosphate coating shall be in accordance with the requirements of TT-C-490 for appearance and minimum weight as appl
25、icable to the type of phosphate coating used. (panels) shall be in accordance with the requirements of TT-C-490. shall be in accordance with applicable requirements of Dwg. 12576577. The exterior paint adhesion shall be in accordance with ap2licable requirements of TT-C-490. 3.6.3 Corrosion resistan
26、ce. The exterior painted surface of the projectile shall show no evidence of corrosion (red rust) after exposure to a 5 percent solution of atomized salt spray for 24 hours. Test specimens 3.6.2 Paint coating. The exterior coating of the projectile 4 Provided by IHSNot for ResaleNo reproduction or n
27、etworking permitted without license from IHS-,-,- MIL-P-70637 13 m 9999906 0356500 7 m MIL-P-70637 (AR) 3.7 Metal parts security. The projectile metal parts when assembled into test cartridges in accordance with Dwg. 7259190-1 shall not separate or break up in the test for metal parts security. O 3.
28、8 Hardness. The shot body shall be in accordance with the 3.9 Windshield. respective hardness requirements specified on Dwg. 12576580. f 3.9.1 Cleaning before assembly. The projectile body and windshield shall be cleaned and free from foreign material at the time of attaching the windshield to the s
29、hot body. 3.9.2 Windshield attachment. The windshield shall be rigidly and firmly attached thereto in the manner prescribed by the applicable Dwg. and shall be concentric with the projectile body within the limits prescribed on the drawing. The assembly shall be free of cracks and tears. 3.9.3 Winds
30、hield torque. Windshield shall withstand a 1000 inch-pound torque without movement of the windshield relative to the shot body. 3.10 Penetration. The projectile shall exhibit a V50 protection ballistic limit BL (P) of 1960 + 25 feet per second against a 3/4 inch homogeneous armor plate conforming to
31、 MIL-A-12560 at Oo obliquity. 3.11 Workmanship. The requirements for workmanship are as specified on the applicable drawings, referenced specifications and the following: defects, such as dents, deep scratches, cuts, excessive surface roughness, metal flaws, burrs, sharp edges, and other forms of su
32、bstandard workmanship. 3.11.1 Processinq defects. The projectile shall be free of 3.11.2 Cleanliness. The projectile shall be free of all foreign matter. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. Unless otherwise specified in the contract or purchase order, the contractor is
33、 responsible for the performance of all inspection requirements as specified herein. Except as otherwise specified in the contract or purchase order, the contractor may utilize his own or any other facilities suitable for the performance of the inspection requirements specified herein, unless disapp
34、roved by the 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-70b37 13 W 7777706 0356503 7 M MIL-P-70 Government. The Government reserves the right to perform any of the inspections set forth in the specification where such inspections are dee
35、med necessary to assure supplies and services conform to prescribed requirements. 4.1.1 Responsibility for compliance. All items must meet all requirements of sections 3 and 5. The inspections set forth in this specification shall become a part of the contractors overall inspection system or quality
36、 program. The absence of any inspection requirements in the specification shall not relieve the contractor of the responsibility of assuring that all products or supplies submitted to the Government for acceptance comply with all requirements of the contract. Sampling in quality conformance does not
37、 authorize submission of known defective material, either indicated or actual, nor does it commit the Government to acceptance of any defective material. inspection shall be conducted on this item. 4.2 Classification of inspections. The following types of a. First Article Inspection (see 4.3) b. Qua
38、lity Conformance Inspection (see 4.4) 4.3 First article inspection. 4.3.1 Submission. The contractor shall submit a first article as designated by the Contracting Officer for evaluation in accordance with the provisions of 4.3.2. The first article sample shall consist of the following items in sampl
39、e quantities as indicated. a. Inspection and nonfiririg tests: Part Description Drawing Standard test panel Rot at ing band 7258816 Windshield 12576581 Shot Body 12576580 Body & Rotating Band Assy 12576579 Body & Windshield Assy 12576578 Projectile (painted) 12576577 b. Firing tests: Part Descriptio
40、n Dr awinqs Projectile, Metal Parts 12576577 Projectile, Metal Parts 12576577 Quantity Method Para 3 4.5.5 32 4.4.2.1 125 4.4.2.2 125 4.4.2.3 125 4.4.2.4 125 4.4.2.5 170 4.4.2.6 Requirement & Quantity Method Para 4000 3.7/4.5.8 - 3.10/4.5.11 c. The projectile Dwg. 12576577 shall be identified in acc
41、ordance with MIL-STD-1168. e 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-70637 13 = 7777906 0356502 O MIL-P-70637 (AR) 4.3.2 Inspections to be performed. See MIL-A-48078 and Table I herein. 4.3.3 Rejection. See MIL-A-48078. Failure of the
42、 original first article sample to be in accordance with the apslicable drawings and requirements of Table I, as specified herein, will result in sample disapproval. 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-C: O .d ci o a, U) c .rl a, rl o .r
43、l ci U Id -!J U) U .rl Fr H w i B B rl t H U) -lJ U Id P, rl Id L) B I In I I3 I I 3 O .lJ o aJ - MIL-P-70637 13 M 7779706 0356503 2 M N mrl w In . O rl nl N NQI N N wm rl . w cr cr In -3 -Y InIn In w -3 -3-3 -Y w *-Y -Y . . N N No3 N N InIn QI m m mm m m mm m . . o . . orl orl orlorl O4 orlorl orl
44、N In Inm In InIn O m N Nrl N NN N l-l rl rl rlrl a, n c I u r 3 *I- n O cl E L O U 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-P-70637 13 U 7797706 0356504 4 U +J LI : rn LI .d Eri . H w ii B h v 2 i- m W O i- l pi I 4 H c r E r Y n VI .II
45、 Y Y Z O I 5 u3 3 o rn c, u Id pi rl Id c, c . V) QI r: i3 I b 2 O !i CJ - a, rl .d c, u a, an O u pi W . rl m CJrlWi- cod m dimmV) V)V) d d*dd dd e *e . . rl am . . . O W CJ-Pu)co i-rl m mmmm mm . 0. . . O m LnV) m CJ O SA NCJ rl m rlrl c O 4 0 rd LI 4-J a, C a, pi 9 Provided by IHSNot for ResaleNo
46、 reproduction or networking permitted without license from IHS-,-,-MIL-P-70637 L3 7799706 0356505 6 = MIL-P-70637 (AR) I 4.4 Quality Conformance Inspection. I 4.4.1 Inspection lot formation. Inspection lots shall comply with the iot formation provisions of MIL-A-48078. 4.4.2 Examination. See MIL-A-4
47、8078. a. Unless otherwise specified in the Classification of Defects and Test Tables, sampling plans for major and minor defects shall be in accordance with MIL-STD-105, Inspection Level II. b. Major and minor defects. To determine product acceptability, major and minor defects as listed herein may
48、be considered collectively on a class basis or defects may be considered individually. When a class basis is utilized the Acceptable Quality Level (AQL) for major defects shall be 1.5 percent and the AQL for minor defects shall be 2.5 percent. However, when major defects are considered collectively
49、on a class basis, the AQL for any individual defect shall be limited to .40 percent. In addition, where three or less defects appear in a classification, camsling plans applicable to a class shall not be used for major defects. (see 6.6). c. Critical defects. Unless otherwise specified, one hundred percent examination shall be performed for all critical defects. If a visual critical defec
