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 5960-00-581-9719
NSN 6320-00-519-0770
NSN 5920-00-954-2714
NSN 5990-00-518-0684
NSN 5855-01-485-3429
NSN 6685-01-486-4364
NSN 5835-01-436-1797
NSN 6685-00-409-4970
NSN 5895-01-112-0532
NSN 7035-01-408-8698
NSN 5996-01-424-3341
NSN 5960-00-914-1740