ARMY MIL-H-45984 B (2)-1993 HOWITZER MEDIUM TOWED 155MM M198《M198型155MM中等拖走榴弹炮》.pdf

1、MIL-H-45984B (2) m 9999906 1858274 259 m * MIL-H-45984B (AR) AMENDMENT 2 - SUPERSEDING AMENDMENT 1 27 March 1985 MILITARY SPECIFICATION HOWITZER, MEDIUM, TOWED, 155MM: M198 This amendment forms a part of Military Specification MIL-H-45984B (AR), dated 22 October 1984, and is approved for use by the

2、U.S. Army Armament Munitions and Chemical Command, and is available for use by all Departments and Agencies of the Department of Defense. PAGE 7 3.3.3.5, Rod pull curves. Change: “Range 1: Peak rod pull shall occur within the first 20 miliseconds for long recoil, and 60 miliseconds for short recoil.

3、“ to: “Range 1: Peak rod pull shall occcur within the first 20 milliseconds for long recoil. Change: “Range 2: Within 280 miliseconds (max.) for long recoil or 180 miliseconds (max.) for short recoil, the continuous rod pull shall not exceed the peak rod pull of Range 1.“ To: “Range 2: For long reco

4、il, the continuous rod pull curve shall not exceed the peak rod pull of Range 1. For short recoil (900 mils and above) the maximum rod pull shall not exceed the peak rod pull in Range 1 by more than 6000 lbs.“ 3.3.4 Road test. Delete in its entirety and substitute: “3.3.4 Road test. The howitzer sha

5、ll be capable of withstanding the following 300 mile road test without damage, permament deformation or loosening of parts. as specified in 4.5.3.5. surface or improved roads. Testing shall be -. - 150 miles at speeds between 30 and 55 mph over hard - 120 miles at speeds between 10 and 15 mph over B

6、elgian block or equivalent. .- 30 miles at speeds between 10 and 15 mph over cross country roads. 1 of 2 -. FSC 1025 AMSC N/A DISTRIBUTION STATEMENT A. Approve for public release; distribu tion is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IH

7、S-,-,-MIL-H-45984B AMENDMENT 2 PAGE 8 Figure 1: For short recoil sketch only, delete: “Note 1“. PAGE 11 4.5.1 Sampling Delete the sentence *A howitzer lot shall consist of two months production or thirty-five howitzers, whichever quantity is smaller“ and substitute: “A howitzer lot shall consist of

8、six months production or 100 howitzers, whichever quantity is smaller. PAGE 23 3.6.3 TABLE I. Proof firing, Change From: 1 2 3 4 5 6 7 8 Round Number. Change To: 1 2 3-7 8-12 13-17 18-22 23-27 28-32 The margins of this amendment are marked with an asterisk or ver- tical lines to indicate where chang

9、es (additions, modifications, 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 require- Ltive ments of this document based on the entire content irrespe- of the marginal notations and relationship to the last previous amendment. Custodian: Army-AR Preparing Activity: Army-AR (Project 1025-Al77) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-