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 5945-00-244-8430
NSN 6240-00-174-1991
NSN 5855-00-118-8762
NSN 5920-00-052-9816
NSN 6150-01-512-1824
NSN 5895-01-574-6652
NSN 6130-01-352-6112
NSN 5930-01-392-0897
NSN 6650-00-992-4540
NSN 5855-01-461-0690
NSN 6145-01-038-9725
NSN 5930-01-533-8586