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 5920-00-533-8024
NSN 5996-01-489-5494
NSN 6105-01-328-8881
NSN 6145-00-472-9413
NSN 6150-00-938-6031
NSN 5945-01-359-8834
NSN 6220-00-038-1712
NSN 5990-00-362-1453
NSN 5960-01-388-4951
NSN 6240-01-379-9545
NSN 6145-00-444-9679
NSN 5930-01-607-0187