1、MIL-V-Zq437A (I) L( = 7999706 0274705 6 MIL-V-24439A(SH) AMENDMENT 1 7 January 1988 MILITARY SPECIFICATION VALVES, OXYGEN, HELIUM AND HELIUM OXYGEN MIXTURE, HIGH PRESSURE FOR GAS SERVICES This amendment forms a part of MIL-V-24439A(SH) dated 14 March 1984, and is approved for use within the Naval Se
2、a Systems Command and is available for use by all Departments and Agencies of the Department of Defense. PAGE 4 Table I, column 2, line 3: Under “Type A and B“ after, “Nickel-copper“ add : “Bronze“. Table I, column 3, line 3: Under “Type C and D“ after, “Nickel-copper“ add : “Bronze“. PAGE 8 4.3.1:
3、Delete and substitute: “4.3.1 High pressure gas. Unless otherwise specified herein, the high pressure gas used in quality conformance testing and qualification testing shall be water pumped nitrogen conforming to BB-N-411, or air equivalent in dryness to BB-N-411 nitrogen, or commercially pure heliu
4、m, as a minimum.“ PAGE 10 4.4.5, line 2: Delete: “helium“. 4.4.6, line 3: Delete: “Helium at“. Preparing activity: Navy - SH (Project 4820-N021) PISDOCUMENTCONTAINS I PAGES. FSC 4820 DISTRIBUTION STATEMENT A Approved for public release; distribution unlimited msc N/A Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
