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 5960-01-449-1310
NSN 5945-01-340-3324
NSN 6240-01-383-7323
NSN 5996-01-206-4104
NSN 5910-01-207-0909
NSN 4140-01-092-0806
NSN 5905-01-323-5333
NSN 6650-01-078-7732
NSN 6145-00-538-9885
NSN 6620-01-025-1443
NSN 6645-01-353-3279
NSN 6320-01-072-2073