MIL-V-22549D, MILITARY SPECIFICATION: VALVE, ANGLE, RELIEF, FOR GAS AND OXYGEN SERVICE (SIZES 2 INCHES LPS AND BELOW), NAVAL SHIPBOARD (20-SEP-1968)

MIL-V-22549D, MILITARY SPECIFICATION: VALVE, ANGLE, RELIEF, FOR GAS AND OXYGEN SERVICE (SIZES 2 INCHES LPS AND BELOW), NAVAL SHIPBOARD (20-SEP-1968). This specification covers angle relief valves of pressure tight spring housing construction for gas and oxygen service.