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 5920-01-430-4696
NSN 5985-01-433-2283
NSN 5996-00-245-6273
NSN 5975-01-212-8668
NSN 5999-00-090-7008
NSN 5999-01-605-5150
NSN 5930-01-567-9588
NSN 5910-01-125-7522
NSN 5998-01-590-9355
NSN 5835-01-385-0579
NSN 6620-01-504-5756
NSN 5975-01-481-8496