1、 MIL-F-70b73 (4) 9Ob 202271b b59 MIL-F-70673 (AR) AMENDMENT 4 O1 October 1996 SUPERSEDING AMENDMENT 3 29 April 1994 MILITARY SPECIFICATION FUZE, ROCKET, BASE DETONATING, M442 This amendment forms a part of Military Specification MIL-F- 70673 (AR), dated 30 June 1987, and is approved for use by the U
2、S Army Armament Research, Development and Engineering Center, and is available for use by all Departments and Agencies the Department of Defense. of PAGE 2 2.1.2, Under Drawings: Delete “ 9 3 3 5 6 7 1 - Housing, Drogue, M257 Warhead“. Delete “9 3 3 3 5 6 7 5 - Plate, Pusher“. Add “ 12 9 6 O 8 2 9 -
3、 Body 12960830 - Stop Block 9357963 - Box, Packing for MK66 Motor“. PAGE 3 3.4: Delete in its entirety and substitute 3.4 Fuzes (less expulsion charge and less delay assembly). All fuzes less expulsion charge, less delay assembly shall comply with MIL-F-50541(AR) with the following exceptions: a. Cl
4、assification of defects (CD) 4.4.2.2 and 4.4.2.3 (MIL- F-50541) pertaining to the fuze lid and fuze case, respectively, will be deleted and applicable CDs in section 4 of this document will be submitted in their place. AMSC NIA i of4 FSC 1340 DISTRIBUTION STATEMENT A. Approved for public release; di
5、stribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-70673 (4) 9999906 2022737 595 U MIL-F-70673 (AR) AMENDMENT 4 b. The jolt test will be deleted and applicable p of this document will be substituted in its place. ragr c. T
6、he jumble test will be deleted and applicable paragraphs of this document will be substituted in its place. d. The forty foot drop test will be deleted and applicable paragraphs of this document will be substituted in its place. e. Classification of defects (CD) 4.3.25 and 4.3.26 (MIL-F- 50541) pert
7、aining to the pertaining to the container and lid , respectively, will be deleted.“ PAGE 5 4.3.1: Delete “Delay Assembly and substitute “Delay Assembly, Integrated w/ Propellant Charge Delete “Expulsion Charge Assembly PAGE 6 Table I: Delete “Expulsion Charge Assembly Delete “Delay Assembly and subs
8、titute “Delay Assembly, Integrated w/ Propellant Charge 9341730 25“ 12926859 25“. 9298752 25“. 25 3.1 4.4.2.4“. 25 3.1 4.4.2.5“ 25 3.1 4.4.2.4“. Delete “100“ and substitute 104 (a) Delete “Forty Foot Drop Test and substitute “Forty Foot Drop Test Under Notes block: Add 8 3.7.3 4.6.3“ 12 3.7.3 4.6.3“
9、. a. Sample is comprised of 80 fuzes from the fuze function test, 12 fuzes from the jolt & jumble tests and i2 from the 40 drop test.“. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-F-70673 (4) 9999906 U MIL-F-70673 AMENDMENT 4- PAGES 8 2022
10、738 423 9 4.4.1, Delete “(except for mechanical fuzes as described in c. below) “ . Delete para. c, d, and e in their entirety and substitute: “c. Integrated delay assembly w/ propellant charge from not more than one lot.“. PAGE 10 4.4.2.2, Delete Major 106 in its entirety. PAGE 12 4.4.2.4, Delete “
11、Charge, Expulsion, Assembly“ and substitute: “Delay Assembly, Integrated w/ Propellant Charge“. Delete “9298752“ and substitute “12926859“. Delete Major 101 in its entirety and substitute: “Presence of varnish over closure disks (large and small) 100% Delete Major 102 in its entirety. Delete “Charge
12、 of assembly properly seated “Presence of 9370145 closure disk Visual . .40%“ and substitute 100%“. PAGE 13 4.4.2.5: Delete in its entirety. PAGE 14 4.4.2.6: Delete Major 104 in its entirety. PAGE 15 4.6.3: Delete “8883479/9230114“ and substitute “8883479/9357963“. PAGE 17 FIGURE 1: Delete “6 HOLES
13、EQUALLY SPACED and substitute “12 HOLES EQUALLY SPACED“. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- VIL-F-70673 (4) D 9999906 2022739 368 MIL-F-70673 (AR) AMENDMENT 4 Delete “6-SCREW. HEX“ and substitute “12-SCREW. HEX“. Delete “995 + .010“ and
14、 substitute “1.294 + .010“. Delete l.610 + .005“ and substitute “1.029 + .005“. Delete l.258 + .005“ and substitute “.691 + ,005“. The margins of this document are marked with an asterisk or vertical lines to indicate where changes (additions, modifications, corrections, deletions) from the previous
15、 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 previous amendment. Custodian: Army-AR Preparing activity: Amy-A (Project 1340-A987) 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
