1、MIL-C-48180 (PA) 21 April 75 MILITARY SPECIFICATION CARTRIDGE, HE, 60MM, M49A4E1 LOADING, ASSEMBLING AND PACKING This Specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 This specification covers the loading, assembling and packing for one typ
2、e of high explosive mortar cartrldge designated as Cartridge, HE, 60MM, M49A4E1. 2 . APPLICABLE DOCUMENTS 2.1 The following documents of the issue Zn effect on date of invitation for bids or request for proposals, form a part of this specification to the extent specified herein. SPECIFICATIONS MILIT
3、ARY MIL-A-48078 - Ammunition, Standard Quality Assurance Provisions, General Specification for DRAWINGS PICATINNY ARSENAL PRODUCT AND PACKAGE DRAWINGS 9241292 9280108 - Cartridge, HE, 6OMM, PI49A4EL - Box, Wirebound, Packing, Ammunition for 60 Mortar Ammunition 1310 Provided by IHSNot for ResaleNo r
4、eproduction or networking permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-4LO 13 7797706 0337044 T 3.4 Proving ground test.-The cartridges shall comply with the following requirements (see 4.2.3 2) . 3.4.1
5、 Misfires.-The cartridges shall not fail to fire from the weapon. 3.4.2 3.4.3 Duds.-The cartridges shall function on impact. Short rounds.-No cartridge shall have a horizontal - range less than 80 percent of the average horizontal range when calculated without the short rounds. 3.4.4 Permature burst
6、.-There shall be no premature burst in the gun bore or in flight. 304.5 Metal parts separation.-There shall be no metal parts separation in the gun bore or in flight. 3.4 6 Range precision-. -The horizontal range standard devia- tion shall be no greater than 7 meters when fired at charge O (Zero) an
7、d no greater than 30 meters when fired ak charge two. burrs, chips, dirt, grease, rust, corrosion and other forelgn material. 3.5 Workmanship.-Parts and assemblies shall Be free of 3.6 foreign matter in the projectile cavity prior to high explosive pouring. Foreign matter in projectile cavity.-There
8、 shall be no Solid explosive shall not be present. 3.7 High explosive on threads.-Threads shall be free of high explosive. 308 High explosive on projectile Body.-Exterior surface of the projectile body shall be free of-hLgh explosiva. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for tnspecti.o
9、n and stanaard quality assurance provisions.-Unless otherwise specified herein or tn the contract, the provisions of MILnA-48078 shall apply and are hereby made a part of this detail speclfica%ion. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MI
10、L-C-1.18180 33 m 777790b 033701.15 3 m MIL-C-48180 (PA) 4.2 Quality conformance inspectLon 4.2.1 Inspection lot formation.-Inspection lots shall comply with the lot formation provisions of MIL-A-48078. In addition, In- spection lots of cartridges shall contain: a. Projectile metal part assemblies of
11、 one lot interfix Composition B of one lot interflx from one manufacturer. from one manufacturer. b. C. Fin assemblies of one lot interfix from one manufacturer. d. Ignition cartridges of one lot from ane. manufacturer e. Propellant charges of one lot from one manfacturer. f. Obturating rings of one
12、 lot interffx from one manu-. facturer . g. 4 . 2.2 a. Sampling plans. Unless otherwise specified in the Classi- Fuzes of one lot interfix from one manuffacturer. Examinatzon . -See MIL-A- 48 078 . fication of Defects and Test Tables, sampling plans for major and minor defects shall be in accordance
13、 with MIL-STD-105, Inspection Level II. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-ri B O ri !- W w I u) O c, k O .rl k Pi h n ri P a, m M E ho c a cd 3 h a O m Li W I- I O f ri cd 5 II *r v M “Cu .o. MMM N U O rf Provided by IHSNot for Resale
14、No reproduction or networking permitted without license from IHS-,-,-MIL-C-1 I c ! MIL-C-43O 33m 7777906 0337047 5 W- rl IL O rl t; w I u1 rl cd m cual taw cdcd * rlrlrlrl cdrdcdcd .rl .ri *ri *ri 3333 mmmm MbNm Co cucu M MM MMMM MN MMNM kR O0 mmmm DDDU3 O =i-= O O000 rl O0 .o h a O P a, rl *ri c, 0
15、 a, rJ O ci A a, 3 *ri o O rl pi x a, d w) vi x Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-CU L rl I- W 3 a, o T3 d ci -P Fi cd u M Cu Cu a- . . . cucu CUCU CUCU cuCu(vCUCUCUCUcu Cu MM MM MM MCF)MMMMMM M 0. e., . M%MM%M M %M MW MM MM000000 O O0
16、O0 O0 003=-=-=J-;r3 3 O0 O0 O0 OO rlrl rlrl rll-l rlrloooooo O O -u Go hd rl rod rlho m 5 a a, o cd Ea, cd3 ao rl rl 5 k cd 8 n k rnh arl cdP %m II cd 3, ao OU P k rio rl *rl k cQl II- rl cd CUM ;rLnulc-a3cnorl o d drl CUM 3 d r-lrl rlrlrlrlrlrlrlrl k u . .e 0- o 1; O0 000000 Provided by IHSNot for
17、ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-4LO 13 m 9979906 0317049 9 = (u 8 CU l- w W I v) a, bo d *li ci w ci cd u M (u (u =I- . . ) - C C t 3 2 C F k 22 ut .=ta- o O0 . d d k a, a s 2 I O- Provided by IHSNot for ResaleNo reproduction or networking permitted w
18、ithout license from IHS-,-,-rl L O rl cd -!J c O u .rl Y v, . *ru . ru -=t MIL-C-918O 13 m 7777706 0317052 9 m NIL-C-48180 ( O000 O000 rn a, d rl P E a, rn rn cd r c; 2 2 a o 4. k cd O 11 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-4LO 13 W
19、 7797706 0337053 O W MIL-C-1 n 4 pi v O co rl Co a- l u I GI H z2 12 180 (PA: - CUCu lnm a -rl k a, d a, z 2 m d E zz m Q, rn O O rl drl Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-qBLBO 13 7977706 0317054 2 rl lL O rl I- W W 2 In n 5 a, rl
20、 cd a, tn W x O a 2 *rl a3 Cu Cu -a- . - a, .rl P cd .rl Ti I) k O .rl Dl w x c a, a, a d 4 a, c v 5 cd ci ci cd O 2 2 t? I) .ri k 5 o a,cd e .ri k a, 5 a, 2 2 g . _ ,. .- - i e- 41. =Il , . -. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-4L
21、O 13 7777706 I 0337055 4 W I-C-48180 (PA) Testing 4.2.3 4.2.3. Air leakage test (see Gdg. The sealed metal ammunition container sha 280 1 be 9) Major defect. tested 100 percent for leakage. Any container which fails to comply with the appli- cable requirement shall be classed defective and removed f
22、rom the lot. The test shall be performed as specified 2n 4.3.1. 4.2.3.2 Proving ground test(see 3.4r.-The cartridges shall be observed for the following characteristics: a. Misfires, Major A defect (see 3.4.1). b. Duds, Major A defect (see 3.4.2). C. Short rounds, Critical defect (see 3.4.3. d. Prem
23、ature burst, Critical defect (see 3.4.4). e. Metal parts separation, Critical defect (see 3.4.52, f. Range precision, Major A defect (-see 3.4.6). Testing shall be as speclfied in 4.3.2. 4.2.3.2.1 Beginning with the first lot produced and con- tinuing until three consecutive lots have complied with
24、the acceptant-e criteria specified herein, eighty random sample car- tridges shall be selected from each lot for this test. The lot shall be rejected if: ao One or more misfires occur b. Four or more duds occur C. One or more short rounds OCCUY d. One or more premature Burst occurs e. One or more me
25、tal parts separation occurs f, Horizontal range standard deviatfcm at charge Q or charge 2, multiplied by the factor 0.79 exceeds the applicable requirement. 4.2.3.2.2 After three consecutive lots have complted with the criteria of 4.2.3.2.1, forty-eight random -sample cartridges shall be selected f
26、rom each lot for this test. .The lot shall be rejected if: 14 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-48180 13 7797706 0337056 6 _ MIL-C-48180 (PA) a. One or more misfires occur b. Four or more duds occur C. One or more short rounds occ
27、ur d, One or ore premature burst occurs e. f. Horizodtal range standard deviation at charge O or One orJore metal parts separation occurs charge 2, multiplied by the factor 0.74 exceeds the appllcable requirement . Inspection equipment.-The inspection equipment re- quired to perform the examinations
28、 and tests prescribed herein is described in the “Paragraph Reference/Inspection Method“ column in the tables starting with 4.2.2.1 and 4.3 (see 6.2). 4.2.4 4.3 Test method-s and- procedures 4.3.1 Air leakage test.-The shipping and Storage containers shall be tested in accordance with drawing 922178
29、1, 4.3.2 Proving ground test.-The test shall be performed at a Government Proving Ground in accordance with the applicable USATECOM Acceptance-Test Procedure . mortar at an elevation of forty-five degrees. sample cartridges shall be fired a6 charge zero and the other half at charge two. functioning.
30、 recorded on the firing record. be recorded. Should a premature burst or metal parts separa- tion occur, a photograph shall be taken of the evidence and attached to the firing record. The velocity and range standard deviations and arithmetic averages shall be calculated and recorded. Range probable
31、error shall be calculated and recorded. Temperature of the day, weather and the -time of firing shall also be recorded. tion, unobserved short rounds and unobserved duds, events, an analysis should be made of the radar data and should be noted on the firing record. This shall Tnclude a comparison of
32、 times of flight of the unobserved rounds with that of the normal rounds. Prints of the radar traces of these rounds, .and The cartridges shall be fired from a standard 6Omm Ml9 One half of the All fuzes shall be set for superquick The individual velocity, pressure and range shall be Observation sha
33、ll be made for misfires and duds, and shall Hawk radar shall be used to observe for metal parts separa- En these L P c Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-to the firing record. Data from ballistically acceptable lots may be discarded. A s
34、mear camera shall be used to photograph all test and reference samples. The camera shall be positioned to pick up each round just outside the second velocity coil. Should an unobserved dud, short round or any other abnormal performance occur, a photo print of these rounds, and prints of all the othe
35、r rounds in that particular charge zone, shall be attached to the firing record. Film from acceptable lots may be dis- carded. 4,3.2.1 Test validity.-If for any reason the proving ground or Picatinny Arsenal considers that the test conditions have detrimentally affected the test result, the. test re
36、sults shall be declared invalid and a new test shall be performed on additional sample cartridges. 5. PREPARATION FOR DELIVERY 5.1 Packaging.-Packaging shall be as specified on Dwg. 9280110. 5.2 Packing and marking.-.Packing and marking aha.11 be - as specified on Dwgs. 9280108 and 9280109 6, NOTES
37、6,i Ordering data.-See MIL-A-48078 (PA) . . a. Ammunition data cards shall be prepared in accor- dance with MIL-STD-1167. 6.2 Submission of designs Par approval.-.See 6.2.3 of MIL-A-48078. Submit equipment designs, a& requkred, to Commander, Picatinny Arsenal, ATTN: SARPA-&A-T-T, Dover, New Jersey 0
38、7801. 6.3 Submission of test data.-One copy of proving ground ballistic acceptance test data (i.e., firLng record) shall be forwarded to each of the following: Commander Picatinny Arsenal Dover, New Jersey 07801 ATTN: SARPA-&A-A-A, SARPA-AD-E-AQ 16 Provided by IHSNot for ResaleNo reproduction or net
39、working permitted without license from IHS-,-,-MIL-C-48180 13 W 7777706 0317058 T - - MIL-C-48180 (PA) 6.4 Clean scrap.-Clean scrap is defined as scrap formed in kettles, pails, risers and loading machines used in the pouring and cooling operations, and scrap formed during the drilling operation. Sc
40、rap from floor sweepings, ventiliation, and suction apparatus (other than that of drilling operations) Sis not defined as being clean scrap and shall not be used. 6.5 Loading of high explosive,-$olid explosive shall not be added to the melted explosive or to the projectile body during pouring or cooling. Custodian: ARMY-PA Preparing Activity: ARMY-PA Project Number: 1310-AO24 . *U.& GOVERNMENT PRINTING OFFICE: 1976-803-131/1431 .* Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
