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 5945-01-539-6989
NSN 7035-01-490-5342
NSN 6220-00-758-8184
NSN 5925-00-421-8880
NSN 5915-00-062-3054
NSN 5990-01-468-1292
NSN 6240-00-783-2853
NSN 5965-00-735-9315
NSN 5996-01-170-1915
NSN 5998-01-188-6905
NSN 6220-01-623-1883
NSN 6650-00-917-0436