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 5975-00-949-8461
NSN 6150-01-571-5777
NSN 6320-01-176-8367
NSN 5905-01-246-2749
NSN 5935-01-563-0521
NSN 5930-00-494-4966
NSN 6320-01-443-8676
NSN 6220-01-507-7172
NSN 5910-01-314-4920
NSN 2925-01-394-9658
NSN 5905-01-119-6760
NSN 5999-00-437-6503