NAVY MIL-P-81958 (2)-1987 PRESSURE RELIEF DEVICES OVERPRESSURIZATION PREVENTION WHEEL TIRE AIRCRAFT《飞机车轮 轮胎防超压的降压装置》.pdf

1、MIL-P-81 958(AS AMENDMENT 2 17 April 1987 MIL-P-81958(AS) AMENDMENT 1 26 February 1981 MILITARY SPECIFICATION PRESSURE RELIEF DEVICES, OVERPRESSURIZATION PREVENTION WHEELITIRE, AIRCRAFT This specification is approved for use by the Naval Air Systems Command, Department of the Navy, and is available

2、for use by all Departments and Agencies of the Department of Defense. PAGE 1 Delete 2;l and substitute: 2.1 Government documents. Add: 2.1.1 Specifications, standards and handbooks. Unless otherwise specified, the following specifications, standards and handbooks of the issue listed in that issue of

3、 the Department Index of Specifications and Standards (DoDISS) specified in the solicitation, form a part of the specification to the extend specified herein. Under Specifications Federal, change to read: PPP-B-636 Boxes, Shipping, Fiberboard Add this statement to the bottom ofpage 1. Beneficial com

4、ments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Naval Air Engineering Center, Systems Engineering and Standardization Department (Code 931, Lakehurst, NJ 08733-5100, by using the self-addressed Standardizatio

5、n Document Improvement Proposal (DD Form 1426) appearing at the end of this document, or by letter. - PAGE 2 2.2 Order of precedence. In the event of a conflict between the text of this specification and the references cited herein (except for Specification sheets), the text of this specification sh

6、all take precedence. AMSC NIA Page 1 of 2 FSC 1630 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-PAGE 3 3.4.1, line 4: Delete “5000 psig“ and substitute “3000 psig“.

7、PAGE 4 3.4.6, change to read: “Length. The devices shall not exceed 1.75 inches in overall length, including inflation stem, but not including threaded mounting end fi tti ng. I PAGE 5 3.5.1, change to read: “High pressure. The device shall not structurally fail when an internal pressure of 4500 psi

8、g is applied pneumatically or hydraulically from the inflation end as specified in the burst pressure test of 4.6.5.“ PAGE 8 4.3.2, line 3: Delete “(AIR-530321C)“ and substitute “(AIR-530)“. PAGE 9 4.5.4, line 4: Delete one extra “shall“. 4.6.3, line 2: Delete “5000 psig“ and sustitute “3000 psig“.

9、PAGE 10 4.6.4.2, line 3: Delete “5000 psig“ and substitute “3000 psig“. 4.6.5, change to read: “Burst pressure. A device shall be plugged on the outlet end and a pneumatic or hydraulic pressure of 4500 psig introduced into the inlet end, held for two seconds, then released. The device shall not stru

10、cturally fail during the test.“ PAGE 13 4.6.16, line 4: Delete “5000 psig“ and substitute “3000 psig“. 4.6.16, line 6: Delete “shal“ and substitute “shall“. PAGE 15 6.3, line 10: Delete “(AIR-530321C)“ and substitute “(AIR-530)“. Preparing Activity: (Project No. 1630-N336) Navy - AS 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-