NAVY MIL-A-23773 A (1)-1971 ANCHOR UNDERWATER MINE MARK 56 MOD 4 AND MOD 5《MARK 56 MOD 4 AND MOD 5水雷锚点》.pdf

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1、MIL-A-23773A (1) 13 7777706 0303756 M . .- MIL-A- 237 73A (3s j Axeridnenz 1 16 SepteEber 197i . MILITARY SPECIFLCATION ANCHOR, UNDERWATER MINE, MARK 56 MOD 4 AND MOD 5 This amendment forms a part of Military Specification MIL-A-23773A (OS), dated 10 January 1967 and has been approved by the Naval O

2、rdnance Systems Command, Department of the Navy. Page 2 Faragraph 2.1, delete: CLASSIFICATION OF DEFECTS CD 2421432 Anchor, Underwater Mine Mark 56 Xod 4 CD 2421477 Anchor, Underwater Mine Mark 56 Mod 5 Page 6 Paragraph 4.5.1, delete entire paragraph and insert new paragraph to read: 4.5.1 Examinati

3、on. Each mine anchor shall be visually and dimensionally examined in accordance with Drawings 2421432 and 2421477 to determine compliance with this specification and LDs 549694 and 549718. Page 8 Paragraph 4.5.2.1, on second line following (Sampling) add: (M101). Paragraph 4.5.2.2.1, on first line f

4、ollowing (Sampling) add: (M102). Paragraph 4.5.2.2.2, on first line following (Sampling) add: (M103). Page 9 Before Paragraph 4.5.2.3, insert new paragraph to read: 4.5.2.2.3 Assembly leakage test (Sampling)(M104). The Safety Device Assembly, Dwg. 1281099, assembled to a suitable test fixture, shall

5、 be subjected to an externai pressure of 45 f 5 psig for ten minutes. of the pressure, the piston shall move inward a minimum Upon application FSC 1355 THIS DOCUMENT CONTAINS 2 PAGES, - Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NIL-A-237.73A (O

6、S) Amendment 1 of 0.531 inch. Any outward movement of the piston during the ten-minute period shall be regarded as evidence of leakage and the safety device shall be rejected. Paragraph 4.5.2.3, on first line following (Sampling) add: (M105). Paragraph 4.5.2.4, on first line following (Sampling) add

7、: (M106). Paragraph 4.5.2.5, on first line following (Sampling) add: (M107). . Paragraph 4.5.2.6, on first line following (Sampling) add: (M108). Page 10 Paragraph 4.5.2.7, on first line following (Sanpling) add: (M109). Paragraph 4.5.2.8, on first line following (Sampling) add: (M110). Paragraph 4.

8、5.2.9, on first line following (Sampling) add: (Mlll), Page 12 Add new paragraph to read: 6.3 This specification has been prepared for the Naval Ordnance Systems Command by the Naval Mine Engineering Facility, Yorktown, Virginia 23491. Preparing Activity Navy - OS Project No. 1350-NO19 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-