ARMY MIL-I-70756-1988 INERT PROJECTILE ASSEMBLY LESS ESCAPEMENT ASSEMBLY METAL PARTS AND ASSEMBLING AND PACKAGING《惰性弹丸装 少棘轮装置金属零件的装配 组装及包装》.pdf

1、MIL-1-70756 13 777770b 0357267 3 I -5-3 por Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in Improving this document should be addressed to: Commander, U.S. Army Armament,Munitions and Chemical Command, Attn. AMSMC-QA. Picatinny Arsenal, New J

2、ersey 07806-5000 by using the self-addressed Standardiu- tion Document Improvement Proposal (DD Form 1426) appearing at the end of this document or bp letter. * MIL-1-70756 (AR) 20 SEPT 88 . MILITARY SPECIFICATXON INERT PROJECTILE ASSEMBLY LESS ESCAPEMENT ASSEMBLY METAL PARTS AND ASSEMBLING AND PACK

3、AGING 1 This Specification is approved for use within the U.S. Army Armament Munitions and Chemical Comnand 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 packaging for one

4、 type of test vehicle projectile for use in lot acceptance tests for escapement assembly. 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications and standards. Thefollowing specifications and standards form a part of this specification to the extent specified herein. Unless otherwise

5、 specified (see 6.2), the issues of these documents shall be those listed in the issue of the Department of Defense Index of Specifications and Standards (DoDICS) and supplement thereto, cited in the solic i tat ion . SPECIFICATIONS FEDERAL TT-C-49 0 MILITARY MIL-A- 86 - Cleaning Methods for Ferrous

6、 Surfaces and Pretreatments for Organic Coating 5 - Anodic Coating, for Aluminumand Aluminum Alloys MIL-A-48078 - Ammunition, Standard Quality Assurance Provisions, General Specifications for Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-I-7075

7、b 13 77777Ob 0357270 T ml x -. b MIL-1-70756 (AR) STANDARDS MILITARY MIL-STD-105 - Sampling Procedures and Tables for Inspection by Attributes 2.1.2 Other Government documents, drawings and publications. -,- - The followinq other Government documents, drawinqs and publications-form a part of this sp

8、ecification to the extent specified herein. Unless otherwise specified, the issues shall be those in effect on the date of solicitation. DRAWINGS (see 6.7) US ARMY ARMAMENT RESEARCH DEVELOPMENT AND ENGINEERING CENTER (ARDEC) 12902879 - inert projectile assembly less escapement assembly. (Copies of s

9、pecifications, standards, handbooks and publications required by manufacturers in connection with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting officer. ) 2.2 Other publications. Please see page 23 of MIL-STD-961B. AMERICAN SOCIETY

10、FOR TESTING AND MATERIALS (ASTM) ASTM-B 117 - Standard Method of Salt Spray (fog) Testing (Application for copies should be addressed to The American Society for Testing and Materials, 1916 Race Street, Philadelphia, FA 19103.) 2.3 Order of precedence. In the event of a conflict between the text of

11、this-specification and the reference cited herein, (except for associated detail specifications, specifications 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 exempt

12、ion has been obtained. 3. REQUIREMENTS 3.1 Material. Materials shall be in accordance with the applicable drawings and specifications. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-P MIL-1-70756 33 9 7777706 0357273 L 9 MIL-1-70756 (AR) 3.2 Parts

13、. The parts shall comply with all requirements specif ied-drawing (dwg.) 12902879 and with all requirements specified in applicable specifications. 3.3 First article. When specified in the contract or purchase order, a sample shall be subjected to first article inspection in accordance with the tech

14、nical provisions herein (see 4.3 and 6.6). 3.4 Workmanship. All parts and assemblies shall be fabricated and finished in a thorough and workmanlike manner. They shall be free of burrs, chips, sharp edges, cracks, unblended radii, surface defects, dirt, grease, rust, corrosion products and other fore

15、ign matter. The cleaning method used shall not be injurious to any parts, nor shall the parts be contaminated by the cleaning agents. All marking and stamping shall be neat and sharply defined. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. Unless otherwise specified in the contr

16、act or purchase order, the supplier is responsible for the performance of all inspection requirements specified herein. Except as otherwise specified, the supplier may utilize his own facilities or any commercial laboratory acceptable to the Government. The Government reserves the right to perform a

17、ny of the inspections set forth in the specification where such inspections are deemed necessary to assure supplies and services conform to prescribed requirements. 4.1.1 Responsibility for compliance. All items must meet all requirementsof sections 3 and 5. Thenspection set forth in this specificat

18、ion shall become a part of the contractors overall inspection system or quality program. 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 requiremen

19、ts of the contract. Sampling in quality conformance does not authorize submission of known defective material, either indicated or actual, nor does it commit the Government to acceptance of defective material. The absence of any 4.1.2 Test equipment and inspection facilities. The manufacturer shall

20、insure that test and inspection facilities of sufficient accuracy, quality itnd quantity are established and maintained to permit performance of require.d inspections. 4.2 Classification of inspections. The inspection requirements specified herein are classified as follows: a. First Article Inspecti

21、on (4.3) b. Quality Conformance Inspection (4.4) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- NIL-I-70756L3 = 7977906 0357272 3 I 4 I I MIL-1-70756 (AR) 4.3 - First article inspection. 4.3.1 Submission. The contractor shall submit a first article

22、 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 sample quantities as indicated. Parts description Escapement Assembly Inert Projectile Assembly Less Body Insert Ogive Assembly, 40MM,

23、 M918 Firing Pin Assembly Firing Pin Firing Pin Plate Ogive M918TP Spring, Anti-creep Body Body Assembly Drawings Quantity 12902879 9399382 9399390 9399391 9399392 9 3 9 9 3 9 3 9399394 9399395 9399396 9399402 25 25 50 50 25 25 25 50 25 50 4.3.2 Inspections to be performed. - See MIL-A-48078 and Tab

24、le I herein. 4.3.3 Rejection. - See MIL-A-48078. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-e c O ci .d .d 4 aJ rl u .d n CI 2 LD Ln I- O I- l H I ci c H M ti t d a rn JJ c a, c O a u a c a. a, rl .d JJ u a, E *rl El pi MIL-1-70756 13 9779906

25、0357273 5 rl N m -rd In N N Nrl NN N -r * *ln *In e -r e e-r -P-r -P . . . .a . o a *a a. . . . o. a N N NN NN N M M Mm mm M . o .e 0. . 5 Ln In O0 In* Ln N N Lnm N N - N n ?u) nu no 18, nw a, 5 3Ll RO -w wc CO d .d uci dld ;ic drd dX 4w 4 a m w E-iw P4/ 8 aa -le VI Provided by IHSNot for ResaleNo r

26、eproduction or networking permitted without license from IHS-,-,-I MIL-1-70756 13 M 777770b 035727q 7 M . H w 4 rn M t5 hl ti B II) U c a, c O O u 5 I= (d a, rl -I+ U u a, -ri O & pi 3 nihl ni MM M e e . O0 O Inm In h Q m a “I m .3 O wT c-7 ow Provided by IHSNot for ResaleNo reproduction or networki

27、ng permitted without license from IHS-,-,-MIL-1-70756 13 W 7777706 0357275 7 W a .8/ c, u rn d .rd a, rl u .4 ci H w 4 m 8 t m 1 rn c, d a, IZ O pi U a c Id a, rl .d ci u a, -ri O LI pi E rl rl cv e * . . . cv “cv cv m mmm m . e . In 0-0 In CJ InIn cv rn ci u Q) c mc, QI0 m a JJ marl rn OXIdzI awrnp

28、i 1“ * I a 5 - 7- Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-4.4 MIL-1-70756 13 W 7777706 O357276 O W MIL-1-70756 (AR) Quality conformance inspection. 4.4.1 inspection lot formation. Inspection lots shall comply with the lot formation provisions

29、 of MIL-A-48078. Each inspection lots shall contain: a. Metal parts from one lot interfix number and from one manufacturer. 4.4.2 Examination for defects. . a. Sampling plan. Unless otherwise specified in the Classification of Defects and Test Tables, sampling plans for major and minor defects shall

30、 be in accordance with MIL-STD-105, Inspection Level II. 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-a 4 b t rl a“ NN cv cv* MM M MM . . . oc O0 In Inm Trq w ww . . . 0. W O a, a -d Ii A! u id P c, id LI a, c, a, s .d W pt c -4 Ii cc aid DR CA!

31、 u a, u. a, a,rl o a5 3 .d I- rl uI5laLi c, O0 o 3GOO O Iihpl 9 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-rl 8 t rl a r: Pi ui c .rl LI .rl Fri a, c, fd rl Pi .FI b CJ CJ dI - Provided by IHSNot for ResaleNo reproduction or networking permitted

32、 without license from IHS-,-,-h 5 O F9 03 N .=F d( a . - - MIL-I-7075b 13 W 77777Ob 0357284 T m a ai c d CI ai a aJ c O Z c O Q) 16 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Cl H 3/ a 4J c a a O 4J .?I 8 .?I LI a 31 rl a E al II! II! 4 3.1 5 O

33、b m m cv -P * . . e MIL-I-7075b 13 7777706 0357285 L cv cvcv cv cv m mm m m m . e. . e e O ln c 4J .FI 3 a c m a tn c .FI 4J m 4J O LI u O Ai u m a E b a c o c sc 3 .Pl ! 8 21 O pi 17 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- _- MIL-1-70756 13

34、 9999906 O357286 3 n p: 4 v W u) r- O r- I H I c H r Y) r k? ci 8 Y w 2 g O J O rl 8 rl E 5 O ri cv e e * . . - cvhlhlcv cvcv-=F mmmm mmm .e . O O W m c, O c 50 O am c w .ri om m14 8 a ri oalc u 14Id 4 E CI LI24 u4JLI almo us uc 03LI u00 ch0 Ha& 18 O cn -P I u I B B c u ? al u c Id a LI O u u Id c a

35、l Q -i -i Id c m c O 4J u al n al LI U C Id tn c FI -I 14 VI dl -rl d d fi L i Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-1-70756 13 W 7777906 0357287 5 I- a 2 O B u w Pi VI H E u I !z O u 8 t rl H .cr c al a (d u o) w o) o) al I4 h rl a UI

36、UY 4 a, rl .&-I c, u al -ri pia E cial um alo) a4 H E E 22 rl rl c1 e di . . - d a alalalalal 3 tritritritritri zo aaaaa .rl wwwww 3 NCVNCVN di rnMMrnM M e e -Li 5 O P O c, ru c a ala z .&-I ia trim II oc a al c .&-I rcI al al c O 0 n Provided by IHSNot for ResaleNo reproduction or networking permit

37、ted without license from IHS-,-,- _- MIL-1-70756 13 m 7977706 0357288 7 m MIL-1-70756 (AR) 4.4.3 Testing. Testing is described in the first article and quality conformance inspection tables. 4.4.4 Inspection equipment. The inspection equipment required to perform the examinations and tests prescribe

38、d herein is described in the “Paragraph Reference/Inspection Method column in the tables starting with paragraph 4.4.2.1. The contractor shall submit for approval inspection equipment designs in accordance with the terms of the contract. See Section 6 of MIL-A-48078 and 6.3 herein. _I_ 4.5 Methods o

39、f inspection. - 4.5.1 Push test of firing pin assembly. The firing pin assembly shall be placed in an approved fixture and the push test specified on Dwg. 9399391 shall be applied. This test is a non-destructive test. Parts successfully tested may be returned to the lot. 4.5.2 - Sa It spray. 4.5.2.1

40、 Qqive, M918 TP. This test shall be conducted in accordance with ASTM-B-117 for 48 hours. Salt solution shall be 5 percent. This test is a destructive test. Parts so tested shall not be returned to the lot. 4.5.2.2 Body assembly. This test shall be conducted in accordance with ASTM-B-117. This test

41、shall be conducted for 48 hours along 1.25 inches of the outside length measured from the open end. The surface area rear of this point may be tested for 24 hours minimum. Salt spray test not required for inside surface of body assembly. The rotating band may be masked off for this test. Salt soluti

42、on shall. be 5 percent. This test is a destructive test. Parts so tested may not be returned to the lot. - 4.5.3 Load test of anti-creep spring. The anti-creep spring shall be placed in mcture and the load specified on Dwci. 93.99395 shall be applied. This test is a nn-destructive-test. Parts succes

43、sfully tested may be returned to the lot. 4.5.4 Assembly torque of ogive assembly prior to sealant cure. The projectile assembly shall be placed in an approved fixture and the torque specified on the applicable drawing shall be applied. Observation shall be made or the applicable requirem.ent. This

44、test is a non-destructive test. Parts successfully tested may be returned to the lot. WARNING: This test is conducted on assemblies containing an explosive element. Test barricades (where used), procedures and equipment shall have prior approval. 20 Provided by IHSNot for ResaleNo reproduction or ne

45、tworking permitted without license from IHS-,-,-MIL-1-70756 (AR) 4.5.5 Air pressure test. The projectile shall be placed in an approved fixture and air applied to produce a specified pressure. Observations shall be made for a drop in pressure indicating a leak. This is a non-destructive test. Parts

46、so tested may be returned to the lot. a 4.5.6 Push test The body assembly shall be placed in an approved force specified on the applicable drawing shall be applied. Observation shall be made for compliance with the applicable requirement. This is a non-destructive test. Parts so tested may be return

47、ed to the lot. 4.5.7 - Probe inspection. This inspection shall be performed using automatic inspection equipment designed by the contractor and approved by the Government. See MIL-A-48078. 5. PACKAGING 5.1 Preservation and packaging. 5.2 Unitization. Unitization shall be prescribed by the procuring

48、agency as specified in the contract or order. 5.3 Shipping. When shipments of more than one lot are made at one time, such as in a carload, each lot shall be kept separate and the division between lots clearly indicated to prevent mixing of the lots in transit. 6. NOTES 6.1 Intended use. This specification covers the metal parts, loading, assembling and packaging for test vehicle projectile for use in lot acceptance tests for escapement assembly. 6.2. Ordering data. See MIL-A-48078. 63. c- Submission of inspection equipment designs foc