1、fiIL-C-46578D (1) 9999906 2026733 509 LINCH-POUND I MIL-C-46578D (AR) AMENDMENT 1 31 October 1996 MILITARY SPECIFICATION CARTRIDGE, 2OMM, HIGH EXPLOSIVE, INCENDIARY, M56A3 LOADING, ASSEMBLING AND PACKING This amendment forms a part of Military Specification MIL-C-46578D (AR), dated 12 December 1983,
2、 and is approved for use by all the Departments and Agencies of the Department of Defense. PAGE 2 2.1.2, Under Inspection Equipment Drawings, add “10534010 - Waterproofness Testing Apparatus“. PAGE 3 2.1.2, Under Publications, add “SCATP-7.62 - Ammunition Ballistic Acceptance Test Methods, Test Proc
3、edures for 7.62MM Cartridges“. PAGE 4 3.5.lc., Delete in its entirety and substitute the following: “c. Waterproofness. The cartridge shall not release more than one bubble of air from the mouth of the case when subjected to a pressure differential of 7.5 psi for 30 seconds. I. PAGE 13 4.4.2.4, Test
4、 Requirements, Functioning, (1) c., delete “c. Waterproofness, 20, 3.5.lc, 4.4.3.5c/4.5.5.1“ and substitute “c. Waterproofness, 23, 3.5.1 4.4.3.5c/4.5.5.2“. AMSC N/A 1 of 2 FSC 1305 DISTRIBUTION STA- A. Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduct
5、ion or networking permitted without license from IHS-,-,-MIL-C-46578D (3) M 9999706 2026734 445 MIL-C-46578D (AR) AMENDMENT 1 PAGE 16 4.4.3.5c, Delete in its entirety and substitute the following: Failure of two or more of the sample “c. Waterproofness. cartridges to comply with the specified waterp
6、roofness requirement shall cause rejection of the lot. If one cartridge of the sample fails to comply, a second sample of 23 cartridges shall be tested. or more of the combines samples fail to comply with the waterproofness requirement.“. The lot shall be rejected if two PAGE 18 4.5.5, Add the follo
7、wing paragraph: “4.5.5.2 Waterproofness. The method of test shall be as The equipment required to conduct specified in SCATP-7.62. this test is specified on drawing 10534010. The container shall be evacuated to a pressure of 7.5 psi below atmosphere, and held at that pressure for 30 seconds. I. 4.5.
8、5.1, Delete and Waterproofness“ from title. PAGE 21 6.12, Delete “, excepting those from the waterproofness test“. PAGE 22 6.12, Delete “Misfire (s) occurring in the waterproofness test shall be handled in accordance with AMCR 715-505, Volume 8.“ Custodian: Army-AR Review activities: Air Force-99 Preparing activity: Army-A (Project 1305-0158) 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
