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 2925-01-185-9144
NSN 5905-01-599-3258
NSN 5905-01-248-3200
NSN 5965-00-412-4402
NSN 6650-00-834-9062
NSN 5905-01-502-7028
NSN 6130-01-298-1059
NSN 2925-00-103-6822
NSN 5835-01-391-4556
NSN 5990-01-024-9659
NSN 5920-01-420-0912
NSN 5910-01-195-7570