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 5855-00-337-3679
NSN 5990-01-522-6096
NSN 4140-00-420-0251
NSN 5905-01-412-0743
NSN 5996-01-420-6449
NSN 5996-00-844-6227
NSN 5960-01-197-4461
NSN 5895-01-210-6018
NSN 5855-01-645-8185
NSN 5910-01-039-3068
NSN 5930-01-415-5103
NSN 5999-00-734-4686