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 5999-00-203-5573
NSN 6685-01-642-7229
NSN 5920-01-020-7659
NSN 7035-00-541-8516
NSN 6620-00-060-6801
NSN 5960-01-518-4440
NSN 5915-01-193-8669
NSN 5960-00-343-2888
NSN 4140-00-876-5532
NSN 6220-01-013-9498
NSN 5915-00-351-0013
NSN 5998-01-461-5472