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 5998-01-025-6764
NSN 5998-01-287-9771
NSN 5855-00-782-7546
NSN 4140-00-900-6102
NSN 5945-01-471-0410
NSN 4140-01-231-5031
NSN 6620-01-104-2699
NSN 6110-01-235-0882
NSN 5999-00-770-2280
NSN 5925-01-608-8958
NSN 5990-00-336-2054
NSN 5895-00-936-9136