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 5835-01-157-5886
NSN 5998-01-475-0670
NSN 5855-00-189-6066
NSN 7035-01-052-3815
NSN 5935-01-287-6810
NSN 4140-01-324-3548
NSN 6620-00-480-9357
NSN 5975-00-580-0434
NSN 5930-01-232-8044
NSN 6650-01-555-8819
NSN 5915-01-289-7021
NSN 6320-00-682-3448