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 6105-01-442-0649
NSN 5895-01-454-0694
NSN 2925-01-022-8332
NSN 6610-01-495-0596
NSN 5990-01-168-6797
NSN 6130-00-240-2438
NSN 5996-00-450-9875
NSN 5996-01-279-9841
NSN 6610-00-232-9485
NSN 5996-01-212-3066
NSN 5905-00-600-8138
NSN 5975-01-021-5349