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 6145-01-487-3773
NSN 6110-01-535-0995
NSN 5925-00-930-2265
NSN 7035-01-477-2818
NSN 6650-01-157-1667
NSN 5999-01-285-3743
NSN 5925-00-999-9320
NSN 5915-00-078-7855
NSN 6240-00-543-9321
NSN 5910-01-381-1480
NSN 6130-01-469-8124
NSN 6150-01-619-2225