1、_ ._ - _- - II_ . MIL-C-3772B (2) 33 m 7797706 0272325 4 m .-. MIL-C-3972B (PA) Amendment 2 14 June 1974 SUPERSEDING Amendment 1 16 May 1973 MILITARY SPECIFICATION Cartridge, 60MM,. Illuminating, M83A3 With Fuze, Time, 651 Loading, Assembling and Packing This Amendment forms a part of f-lilitary Spe
2、cification MIL-C-3972B (MU) dated 22 May 1972, and is approved for use by all departments and Agencies of the Department of Defense. Paragraph 2.1 -Drawings. Add the following alternate drawings: “9278202 - Container, Ammunition, Fiber, PA 69: for 60 Cartridge, Illuminating, M83A3 with Fuze, Time, P
3、I65A1, Packing and Marking. 9252725 - Container, Ammunition, METAL, PA 70: for 60Wl Cartridge, Illuminating, M83A3 with Fuze, Time, 651, - 9252726 - Box, Wirebound, Packing, Ammunition for 60M Cartridge, Illuminating,. M83A3 with Fuze, Time M65A1.“ Add the following new paragraphs: 4.3.2.9 Unsealed
4、Fiber Container (see dwg. 9278202). - Categories Defects Nethod of Code No. Inspect ion Critical: None defined. Ma j or : AQL 0.40 percent 101. Nose support missing. .,. Visual ogooi FSC i310 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-3972
5、8 (2) 13 999970b 0292326 b m Minor: AQL 1.00 percent 201. Round can-not be removed - -. by hand .ilanual 2Q2. Evidence of poor workmanship . .Visual 09002 09003 4.3.2.10 Sealed Fiber Container (see dwg. 9278202). Cat egor ie s Defects Critical: None defined. Code No. : Method of Inspect ion Maj or :
6、 6 AQL 0.40 percent 101. Sealing strip incomplete or badly wrinkledVisual 10001 P.linor : 201. 202. 203. 204. AQL 1.5 Dercent -_ - Cover not properly Seated. . .Visual Contents loose.,.,.,F4anual Marking misleading, unidenti- fiable, missing or incomplete .Visual Evidence of poor workmanship . .Visu
7、al 4.3.2.11 Unsealed Metal Container (see dwg. 9252725). 10002 10003 10004 i0005 Categories Defects Method of Code No. Inspection Critical: None defined Ma j or : AQL 0.40 percent 101. Incorrect number of assemblies .Visual 11001 Minor : AQL 1.00 percent 201. Spacers missing,.,.6Visual 11002 202. Cu
8、shion(s) missing.Visual 11003 4.3.2.12 Categories Metal Container (closed) (see dwg. 9252725). Defects Method of Code No, Inspection Critical: None defined. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-C-3772B (2) 13 m 7777906 0292127 m I M
9、IL-C-3972B (PA) Ma j or : AQL 0.65 percent 101. Hardware improperly engaged .Visual 12001 102. Cont.ainer dented or deformed . .Visual 12002 103. Container punctured Visual 12003 104. Marking unidentifiable or 12004 . . missing. Visual Minor : AQL 1.00 percent 201. Contents looseManual 12005 202. Ev
10、idence of poor workmanship Visual 12006 4.3.2.13 Box Wirebound Packing (see dwg. 9252726). Categories Defects Critical: None defined. 1jeth.od of Code No. Inspection Major: AQL 0.65 percent 13001 102. Board broken or split. Visual 1300.2 101. Wire missing, broken or loose .Visual 103. Plastic bag mi
11、ssing 13003 .Visual . . Minor: AQL 1.5 percent 201. Contents loose.,.Manual 13004 202. Marking misleading, unidentifiable or missing Visual 13005 203. Car seal missing, unsealed or improperly positioned (when re- i3006 quired) Visual 204 13007 Evidence of poor workmanship .Visual . . Paragraph 4.3.3
12、 change Defect code 04017 to read: TABLE II 60 40 Sample Size (see Note I) Category Defect Code No. ACC Rej Acc Rej MaJ or Horizontal range less. than 80% of horizontal * range (see 3.3.5) 04017 2 3 2 3 3 - J Provided by IHSNot for ResaleNo reproduction or networking permitted without license from I
13、HS-,-,- MIL-C-39728 (2) 13 m 9999906 0292128 T m - . _I- ir r MIL-C -3972B ( PA)K-=- Add the following to paragraph 5.1.1: “In addition, the open container (cover removed from body) After temperature con- shall be dried in a circulating oven for a minimum of 24 hours at a temperature of 120 F prior
14、to packing. ditioning, the container shall be closed tightly for shipment, storage, etc. until no more than one-half hour prior to final packing of the cartridge in the container. packed, and the fiber container sealed (Metal Packed) within 24 hours of the time the container was removed from tkie ov
15、en or from the moisture proof bag packed as described below. If the fiber con- tainers are to be left on the assembly line or if for some reason the packaging in the fiber containers are to be stopped for more than one-half hour, the containers are to be closed tightly until they are ready to be use
16、d. Storage or transportation in excess of 24 hours after removal from conditioning oven shall require the cartons be packaged in moisture proof bags. consisting of felt padding and chip board filler shall be included for moisture control by same oven drying requirements and subsequent packaging in m
17、oisture proof bags if necessary. The cartridge must be Internal loading. parts Add the following testing paragraph: “-3.3.4 Air leakage test-Major Defect-Code No. 08007- The Metal containers shall be tested for leakage with the proce- dure specified below and in accordance with the testing instruc-
18、t ions contained in paragraph 4 4.3. The Air leakage test shall be in effect 100% until 100 consecutive containers have been tested and the interior of the container visually inspected and found to be free of leakage. a. b. Items tested which have passed the immersion test and found to be free of le
19、akage by additional interior visual inspection shall be resealed and shall be released into production without further testing. Items which fai1,the immersion test or the visual interior inspection shall be rejected and removed from production. c. Reduced inspection shall be instituted after satisfa
20、c- torily completing (a) consisting of selecting a random metal container out of twenty-five (25) sealed meta, containers conse- cutively produced. I d. If the container inspected in (c) above is found to be free of leakage as evidenced by immersion testing and visual interior -. 4 Provided by IHSNo
21、t for ResaleNo reproduction or networking permitted without license from IHS-,-,- - -_I- I_-_ - - . - - MIL-C-39728 (2) 13 999990b 0292129 I W 1 3972B (PA) , inspection, the units represented by the sample shall be accepted without test. Howeverj100% visual exterior inspection evidence of improper s
22、ealing of the gasket is required on all units. e. If the container inspected in (c) above is found to have leaked as evidenced by immersion testing or interior visual inspection, the defective container shall be rejected and the units represented by the sample shall also be rejected. The provisions
23、of (a) shall then be instituted to requalify for sampling. f. Whenever there is a lapse in production in excess of 30 (thirty) days or whenever there is a major change in manufac- turing process requalification of reduced sampling shall be in- stituted as outlined in the paragraphs (a thru e) above.
24、 Add the following new Test method: n4.4.3 Air leakage test - The air leakage test shall be per- formed in accordance with paragraph 4.4.3 contained in speci- fication MIL-P-116F. The sealed container immediately after sealing shall be immersed in a vessel of water (Temp, 5O0-9OoF) such that the top
25、 of the container is 3 t 1 inch below the sur- face of the water. Evacuate the chamber-containing the water to a vacuum of 3 t 1/2 pound per square inch absolute. The assembly shall withstand vacuum submersion for 15-20 seconds without air leakage as defined in paragraph 4.4.3.6 of MIL-P- 116F. The
26、container shall be opened after the vacuum immersion test and shall be visually inspected for evidence of moisture or water. Add the following new alternate paragraphs to “Preparation for De liver : 5.1.2 Level A.-The cartridges shall be packed in accordance with dwg. 9278202 and dwg. 925725. 5.2 Pa
27、cking. 5.2.2 Level A.-The packaged cartridges shall be packed in - 5.3 Marking. 5.3.2 accordance with dwg. 9252726, The marking of the packages and pack shall be in accordance with dwg-: 9278202, dwg. 9252725 and dwg. 9252726. Provided by IHSNot for ResaleNo reproduction or networking permitted with
28、out license from IHS-,-,-MIL-C-3772B (2) 13 7777706 0272130 MIL-C-3972B (PA) +Asterisk indicates changes in addition to, or differing from, those of the previous Amendment. I Custodian: Army - PA Project Number 13lO-AO54 6 Preparing Activity : Army - PA *US. COVERNUENT PRINTING OFFICE: 1974-603-109/1918 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
