ARMY MIL-G-63393 (5)-1998 GRENADE GP HE M74 LOADING ASSEMBLING AND PACKING《G P HE M74型手榴弹的装载 组装和包装》.pdf

1、 MIL-G-b3393 (5) = 0b 2072544 252 = INCH-POUND MIL-G-63393 (AR) AMENDMENT 5 1 10 July 1998 SUPERSEDING AMENDMENT 4 28 September 1995 MILITARY SPECIFICATION GRENADE, GP, HE, M74 LOADING, ASSEMBLING AND PACKING MIL-G-63393 was inactivated after 13 February 1996 for new design. This amendment forms a p

2、art of Military Specification MIL-G-63393(AR), dated 11 July 1980, and is approved for use by the U.S. Army Armament Research, Development and Engineering Center, and is available for use by all Departments and Agencies of the Department of Defense. Change item designation from “XM74“ to “M74“ in ti

3、tle and wherever else it appears in this specification. PAGE 1 Delete “FSC 1375“ and substitute “FSC 1330“. PAGE 13 4.4.2.7 Male Hemisphere Loading Assy: Add: “See Note 1“ directly after word “Gage“ in Paragraph Reference/Inspection Method“ column in-line with defect characteristics 109, 110 and 111

4、. In notes block, add: “Note 1 - When cavities are cast formed by tray/insert method, inspection of this characteristic is not required.“ AMSC N/A 1 of 3 FSC 1330 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or network

5、ing permitted without license from IHS-,-,- MIL-G-63393 (5 1 W 9999906 2072545 199 MIL-G-63393 (AR) AMENDMENT 5 PAGE 15 4.4.2.8 Female Hemisphere Loading Assy: Add: “See Note 1“ directly after word Gage“ in Paragraph Reference/Inspection Method“ column in-line with defect characteristics 105. In not

6、es block, add: “Note 1 - When cavities are cast formed by tray/insert method, inspection of this characteristic is not required.“ Delete “Major 107“ in its entirety. PAGE 18 * 4.4.3.3 Dimensional control of stamped parts. Delete paragraph in its entirety and substitute: “4.4.3.3 Dimensional control

7、of stamped parts. When a First Article Sample is required, a sample of ten (10) parts shall be dimensionally inspected for all drawing features to qualify the tooling used in the stamping process for use in production. If any defective parts are found during qualification of the tooling, the tooling

8、 shall not be used in production until corrections are made and the tooling passes the qualification test above. All tools removed from production because of some fault, may, after reworking, be returned to production providing they pass the qualification test above. The following dimensiops shall b

9、e monitored in process to assure that the completed cover meets drawing requirements: Female Covers Material Thickness .O23 - .O06 Inside Diameter 2.630 (Reference) Male Covers Material Thickness .O23 - .O06 Outside Diameter 2.580 - .025“ PAGE 20 4.4.3.4 Pull test of crimp. Delete “(Dwg. 9332580)“ i

10、n its entirety. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-r MIL-G-63393 (AR) AMENDMENT 5 Delete first paragraph in its entirety and substitute: “A sample of three (3) crimped covers (mounted on test adapters) shall be tested to qualify the ma

11、chine in the crimping process for use in production. In addition, a sample of three (3) crimped covers (mounted on test adapters) shall be selected from the last portion of each four (4) hours of production for testing as a control of the tooling during production. test of crimp shall be performed a

12、s specified in 4.5.3“. The pull in second paragraph, delete the word “grenade“ wherever it appears and substitute with “crimped covers (mounted on test adapters) . II 4.5.3. Delete paragraph in its entirety and substitute. “4.5.3 Pull test of crimp. Each pull test sample, consisting of one (1) male

13、and one (i) female cover (Dwq. 9331889 and 9332619) shall be pre-drilled (diameter as required! to accept the screw hooks on the Pull Test Assembly. The male and female covers shall then be mounted onto the two (2) test adapters (Pull Test Assembly) and shall be joined and crimped in a manner identi

14、cal in all respects with the employed items. Bolts shall be properly attached to the crimped cover/adapter assembly. Samples shall be tested in a tensile machine. The minimum specified load shall be applied at a rate not to exceed 125 pounds per minute. The item shall be pull tested to destruction.

15、All test data shall be recorded.“ The margins of this amendment are marked with an asterisk or vertical lines to indicate where changes (additions, modifications, corrections, deletions) from the previous amendment were made. Government assumes no liability whatsoever for any inaccuracies in this no

16、tations. Bidders and contractors are cautioned to evaluate the requirements of this document based on the entire content irrespective of the marginal notations and relationship to the last previous amendment. This was done as a convenience only and the Custodian: Army-= 3 Preparing activity: Army-AR (Project 1330-0409) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-