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 5935-00-502-6229
NSN 5960-01-084-7381
NSN 6645-00-994-6664
NSN 6650-01-211-9642
NSN 2925-01-074-2718
NSN 5975-01-154-6893
NSN 5915-01-659-8571
NSN 5915-01-588-4831
NSN 5998-01-604-5799
NSN 6620-01-348-6667
NSN 6130-01-285-7350
NSN 6620-01-025-1443