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 5910-01-328-8539
NSN 6145-01-410-8322
NSN 5925-01-146-9641
NSN 6240-00-698-5822
NSN 5910-00-823-9655
NSN 5855-01-546-9423
NSN 5996-01-067-8303
NSN 2925-01-531-3400
NSN 2925-01-421-8532
NSN 5915-00-203-5860
NSN 6240-01-350-3533
NSN 5855-00-138-2386