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 5945-00-632-8261
NSN 5920-00-322-8618
NSN 6240-01-528-7873
NSN 6645-01-195-3329
NSN 6150-01-064-5794
NSN 5915-01-161-4992
NSN 5998-00-135-9553
NSN 5960-01-495-0859
NSN 6645-01-480-3962
NSN 5990-01-218-8976
NSN 5920-00-990-9727
NSN 5999-00-457-0574