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 6650-01-032-1786
NSN 5985-00-549-5973
NSN 6610-01-633-6773
NSN 6220-00-260-1711
NSN 5915-01-496-1396
NSN 5965-00-342-5126
NSN 6150-01-347-7837
NSN 5999-01-187-6967
NSN 5920-01-290-1606
NSN 6130-00-850-5381
NSN 5915-01-602-3644
NSN 5990-00-076-9839