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 5998-01-447-0001
NSN 7035-01-150-6303
NSN 5998-00-354-0046
NSN 5965-00-564-4399
NSN 6610-01-365-7796
NSN 6110-00-988-6875
NSN 4140-00-517-7902
NSN 5999-00-446-6851
NSN 5925-00-999-1710
NSN 6135-00-284-1406
NSN 5920-01-372-7122
NSN 5910-01-388-0051