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 6320-01-495-6893
NSN 5935-01-644-0950
NSN 5965-01-464-0220
NSN 6220-01-211-8419
NSN 6220-01-020-8703
NSN 6685-00-768-7633
NSN 5895-00-706-2906
NSN 5999-01-131-3725
NSN 6645-01-017-8576
NSN 5996-01-147-1925
NSN 5920-00-241-3838
NSN 5998-00-615-9251