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 6645-01-248-8033
NSN 6650-00-925-1274
NSN 6620-01-633-8443
NSN 5855-00-130-5756
NSN 6220-01-139-0126
NSN 6110-01-215-1702
NSN 5990-00-775-2637
NSN 5935-01-306-5194
NSN 6620-01-621-0719
NSN 5835-00-055-0953
NSN 5996-01-019-0664
NSN 5990-01-343-0449