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 5855-01-447-3137
NSN 5925-01-124-9880
NSN 5915-01-437-6552
NSN 5915-01-546-9193
NSN 5965-01-476-8539
NSN 6650-00-482-2019
NSN 6650-01-044-6377
NSN 6145-01-423-2645
NSN 6135-01-438-9450
NSN 6620-00-993-9564
NSN 6145-01-453-7015
NSN 5935-00-971-2801