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 5998-00-598-3744
NSN 5960-00-275-7497
NSN 6650-01-422-1037
NSN 6130-00-679-1883
NSN 6620-01-093-1383
NSN 7035-00-628-3471
NSN 6220-01-514-7024
NSN 6320-00-456-0836
NSN 5945-00-062-5764
NSN 5915-00-768-5217
NSN 5999-00-388-0584
NSN 6320-01-652-3806