An item designed to automatically relieve vacuum, by the intake of air, when the internal pressure falls below atmospheric pressure. See also valve, vacuum regulating.
Classification: Other taps, cocks, valves, etc., nesoi
NSN 6105-01-373-5164
NSN 5990-01-263-9364
NSN 6110-01-570-7613
NSN 6145-00-635-9957
NSN 5925-00-840-5393
NSN 5915-01-225-8931
NSN 6320-01-089-9086
NSN 6240-00-071-1280
NSN 6220-01-204-7429
NSN 5920-00-598-0469
NSN 5950-01-434-3521
NSN 5975-01-342-6987