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 6105-01-290-2068
NSN 5950-01-431-2350
NSN 5910-01-382-0328
NSN 6150-00-159-0813
NSN 5935-01-284-9769
NSN 6620-01-129-1260
NSN 5930-01-191-2907
NSN 6105-00-072-8785
NSN 5905-01-481-3943
NSN 5920-01-502-9681
NSN 5920-01-642-1570
NSN 5990-00-313-8688