ARMY MIL-F-70620 A (2)-2002 FUZE MTSQ M722 LOADING ASSEMBLING AND PACKING《M722引信 MTSQ的装载 装配及包装》.pdf

1、 MIL-F-70620A (AR) AMENDMENT 2 23 September 2002 SUPERSEDING AMENDMENT 1 1 June 1990 MILITARY SPECIFICATION FUZE, MTSQ, M722 LOADING, ASSEMBLING, AND PACKING This amendment forms a part of MIL-F-70620A (AR), dated 14 July 1987, and is approved for use by the US Army Armament Research, Development, a

2、nd Engineering Center, and is available for use by all Departments and Agencies of the Department of Defense. PAGE 3 3.7.4, Delete in its entirety and substitute the following: “3.7.4 Extreme temperatures mechanical time functioning. The fuze, when set in the time mode, and conditioned at -50F or 14

3、5F, shall cause the projectile to function within the following time limits. Set Time Temp Function Time Limits 28.0 -50F LL=26.5 UL=29.5 28.0 145F LL=27.0 UL=29.0” PAGE 12 * 4.4.2.4: Delete title in its entirety and substitute the following: “Fuze, MTSQ, M722” Delete Critical defects 1 and 2 and su

4、bstitute the following: “Critical I: 1 Rotor not engaged to set back pin 100% 3.2 Visual 2 Safety arbor not engaged to rotor slot 100% 3.2 Visual 3 Pull wire missing or not fully seated 100% Visual/Manual Critical II None defined” AMSC N/A 1 of 2 FSC: 1390 DISTRIBUTION STATEMENT A. Approved for publ

5、ic release; distribution is unlimited. INCH-POUND Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-70620A (AR) AMENDMENT 2 PAGE 13 * 4.4.2.5: Delete Critical defects 1, 2, 3 and 4 in their entirety and substitute the following: “Critical I: 1. T

6、ransportation vibration test samples prematures during MIL-STD-331A, test no. 119, procedure 2 10 (a) 3.3 4.5.1 2. Jolt and jumble test 12 (a) 3.4 4.5.2 3. 3 1.5 meter drop test 10 (a) 3.5 4.5.3 4. Proving ground test a. Premature burst in ballistic test 10 (a) 3.7.1 4.5.5.2 b. Function in arming sa

7、fety test 12 (a) 3.7.2 4.5.5.1 Critical II None defined.” PAGE 16 4.5.5.2, Add under “Sample Size” and “Maximum Allowable Percent Defect” “26-30 (-50F)2.95” “17-20 (-50F)2.95” The margins of this amendment are marked with an asterisk or vertical line to indicate where changes (additions, modificatio

8、ns, corrections, deletions) from 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. 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. Custodian: Preparing activity: Army AR Army AR (Project 1390-0887) 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-