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 2925-01-197-7864
NSN 5915-01-068-4232
NSN 6105-01-335-5618
NSN 5985-00-281-0810
NSN 6220-01-487-2229
NSN 5855-01-461-7726
NSN 6610-01-037-1872
NSN 5935-01-545-1986
NSN 5945-01-398-1871
NSN 5999-01-381-1139
NSN 5999-01-144-3831
NSN 5915-01-283-8500