1、MIL-B-64043 (4) %Ob 2023322 116 -1 MIL-B-64043 (AR) AMENDMENT 4 17 September 1996 SUPERSEDING AMENDMENT 3 6 July 1994 MILITARY SPECIFICATION BODY, LOADED ASSEMBLY, GENERAL PURPOSE GRENADE: M73 This amendment forms a part of MIL-B-64043(AR), dated 22 August 1983 and is approved for use by the Armamen
2、t Research, Development, and Engineering Center, U.S. Army, and is available for use by all Departments and Agencies of the Department of Defense. PAGE 1 Paragraph 2.1, SPECIFICATIONS, MILITARY, Add: /- “MIL-A-12560 - Armor Plate, Steel, Wrought, Homogeneous (For Use in Combat-Vehicles and for Ammun
3、ition Testing).“ PAGE 5 Table I, Body, Loaded Assembly (Dwg. 9334105): Add the following line below Functional Test: “Penetration test, 5 (a) , 3.6, 4.5.2.1“ Add Note (a) to NOTES block: (a) The five sample units shall be selected from the 229 sample units required for the function test.“ PAGE 9 Par
4、agraph 4.4.2.3: Add major defects 104 and 105 as follows: 104. True position of waveshaper cavity -40% 3.2 Gage 105. True position of booster pellet cavity .40% 3.2 Gage“ AMSC N/A 1 of 2 FSC 1330 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Licensed by Informatio
5、n Handling ServicesProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-64043 (AR) AMENDMENT 4 Paragraph 4.4.2.3, minor defects 201 and 202: Delete of and substitute to bottom of“. PAGE 10 Paragraph 4.4.2.4: Add major defect 102 as follows: “102. Pe
6、netration test 5 (a) 3.6 4.5.2.1“ Add Note (a) to NOTES block: (a) The five sample units shall be selected from the 125 sample units required for major defect 101 (Functional test)“. PAGE 11 Add paragraph 4.5.2.1 as follows: “4.5.2.1 Penetration test. Five grenades, from 4.5.2, shall be functioned w
7、ith PA526 detonators on a single piece of rolled homogeneous armor (RHA) plate. The RHA plate shall conform to the requirements of MIL-A-12560, Class I, and shall be of such a thickness to contain the expected maximum penetration of the grenade. The depth of the penetration shall be measured without
8、 cutting the plate. The average of the five penetration readings shall meet the specified penetration depth in the classified annex to this specification. The classified annex may be obtained by requesting it from: Commander, U.S. Army Armament Research, Development, and Engineering Center, Attn: AM
9、STA-AR-QAC-S, Picatinny Arsenal, NJ 07806-5000.“ The margins of this amendment are marked with vertical lines to indicate where changes to the previous amendment were made. This was done as a convenience only, and the Government assumes no liability whatsoever for any inaccuracies in these notations
10、. Bidders and contractors are cautioned to evaluate the require- ments of this document based on the entire content irrespective of the marginal notations and relationship to the last previous amendment. Custodian: Army-AR Preparing activity: -AR (Project 1330-0399) 2. Licensed by Information Handling ServicesProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
