MIL-V-17501F (AMENDMENT 2), MILITARY SPECIFICATION: VALVES, CONTROL TYPE, MAGAZINE, AND HANGAR DECK SPRINKLER (09 DEC 1991)., This amendment forms a part of MIL-V-17501F(SH), dated 29 October 1990, and is approved for use by the Naval Sea Systems Command, Department of the Navy and is available for use by all Departments and Agencies of the Department of Defense.