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 6130-00-581-9322
NSN 5855-01-190-7049
NSN 5905-01-432-8072
NSN 4140-00-608-5654
NSN 6685-00-600-8661
NSN 5999-01-323-9988
NSN 5985-00-297-7526
NSN 5910-01-627-2152
NSN 5960-00-935-6484
NSN 5985-01-500-2580
NSN 6145-01-329-0681
NSN 5915-01-485-5547