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 7035-00-009-8705
NSN 6685-00-470-8651
NSN 5905-01-534-1423
NSN 5965-01-155-3131
NSN 5925-01-568-8914
NSN 2925-01-194-2484
NSN 5910-00-023-1828
NSN 2925-01-531-3872
NSN 5965-01-292-0035
NSN 5905-01-217-4602
NSN 4140-01-593-8539
NSN 5965-01-128-1963