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 5990-00-460-9394
NSN 5985-01-412-3405
NSN 5998-01-372-9497
NSN 5996-00-202-6576
NSN 6150-01-420-4566
NSN 5855-00-149-0766
NSN 7035-01-285-4473
NSN 5925-01-648-3848
NSN 5990-00-524-2293
NSN 5915-00-168-3480
NSN 6145-01-597-8006
NSN 5910-01-421-4828