1、MIL-C-63054B (3) 13 m 7777706 03430611 3 m MILZ63054B (AR) AMENDMENT 3 SUPERSEDING AMENDMENT 2 30 Auqust 1982 14 December 1981 MILITARY SPECIFICATION CORE, FOR PROJECTILE 105MM, APFSDS, M735 This amendment forms a part of Military Specification MIL-C-63054B (AR), dated 5 March 1980, and is approved
2、for use by the US Army Armament Research and Development Command and is available for use by all Departments and Agencies of the Department of Defense. PAGE 10 4.4.2.3 (U) Core: * Major Defect 102, Column 4: Delete MIOO%“ and substitute “(b)“. Add new Major defect 113 as follows: “113 Surface Finish
3、 0.40% 3.1 Gage“. * Under Notes, add note (b) as follows: “(b) 100% density inspection shall be performed on the First Article Sample. Production cores shall be subjected to 100% density inspection until 3,000 consecutive cores have been found acceptable, after which a 0.065 AQL shall be used in acc
4、ordance with MIL-STD-105 . “ PAGE 14 * 4.5.8.1 (U) Penetrant sensitivity., first sentence: Delete “10% of the“ and substitute “a 0.005 inch“. FSC: 1315 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-63054B (AR) AMENDMENT 3 PAGE 15 4.5.9.1 (U)
5、Armor penetration., fourteenth and fifthteenth sentences: Delete in entirety and substitute: “Muzzle to target distances for armor penetration ballistic testing shall be set in accordance with paragraph 6.6.2.4“. PAGE 18 6.2.3 (U) Submission of ballistic test data and ammunition data cards: Delete “
6、DRDAR-QAR-M“ and substitute “DRDAR-QAT-A“. PAGE 19 6.5.1 (U) Delete Assembly of ballistic samples. Second sentence: in its entirety and substitute the following: “The ballistic samples shall be subjected to the inspection provisions of MIL-P-63366, paragraphs 4.4.2.23 (or 4.4.2.14 if applicable) and
7、 4.4.2.24 (or 4.4.2.15 if applicable) with the exception that all inspections are to be performed 100 percent) .“ 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I NIL-C-63054B (3) 13 W 9999906 0343066 7 MI L-C- 6 3 O 5 4B (AR) AMENDMENT 3 PAGE 21
8、Add new paragraph 6.6.2.4 as follows: 6.6.2.4 (U) Armor testinq muzzle to tarqet distance matrix - Obtura tor Muzzle to Test Armor Obturator Drawing Target Type Tested Desiqn Number Distance (m) Langlie NATO Standard 9312511 200+0.5 - Test Heavy I F 5A 9331317 9327437 20020.5 J 9328522 23220 . 5 NAT
9、O Standard 9312511 22620 . 5 Heavy III F5A 9331317 9327437 226+0 . 5 J 9328522 23250 . 5 6.6.3 (U) Gun tube wear limits. After the title “Primary Land Wear“, Add: “PLW“. Under “Primary Land Wear“, for “Mid-life tube“: Delete “No greater than 0.037 inches (0.094 cm)“ and substitute “Greater than 0.01
10、5 inch (0.038 cm) PLW but less than 0.030 inch (0.076 cm) PLW“. Under “Primary Land Wear“, for “Worn tube“: Delete “Between 0.042 inches (0.107 cm) and 0.056 inches (0.142 cm)“ and substitute “0.030 inch (0.076 an) Min, 0.056 inch (0.142 cm) Max“. Under “Secondary Land Wear“, for “Worn tube“: Delete
11、 “Between 110% and 140% of primary land wear“ and substitute “Between 70 percent and 140 percent of PLW“. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-63054B (AR) AMENDMENT 3 Under “Secondary Groove Wear“, for “Worn tube“: Delete “Between
12、150% and 240% of primary land wear“ and substitute “Between 80 percent and 190 percent of PLW“. The margins of this amendment are marked with an asterisk to indicate where changes (additions, modifications, corrections, deletions) from the previous amendment were made. This was done as a convenience
13、 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. Custod i an : Army-AR Preparing activity: Army-AR (Project 1315-A526) *US. GOVERNMENT PRINTING OFFICE: 1982-605-034/229 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
