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 5999-01-553-1285
NSN 5925-00-050-2938
NSN 5920-01-278-9952
NSN 5935-01-162-9255
NSN 5990-01-166-2237
NSN 5990-01-463-2279
NSN 5915-00-017-8865
NSN 6135-01-223-3869
NSN 5925-01-014-6602
NSN 5920-00-564-3627
NSN 5905-01-116-2689
NSN 6110-01-096-7533