MIL-V-24509 (NOTICE 1), MILITARY SPECIFICATION: VALVES, FLANGED, BALL AND PLUG FOR SEWAGE AND SEA WATER SERVICE (02 JUN 1987
MIL-V-24509 (NOTICE 1), MILITARY SPECIFICATION: VALVES, FLANGED, BALL AND PLUG FOR SEWAGE AND SEA WATER SERVICE (02 JUN 1987).