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 6105-01-211-6635
NSN 5960-01-375-6815
NSN 6650-01-167-9485
NSN 5999-01-094-7557
NSN 5895-01-377-1752
NSN 5910-01-067-7406
NSN 5915-00-868-5674
NSN 5935-01-628-7522
NSN 7035-01-067-8991
NSN 6645-01-051-1453
NSN 5998-00-780-4549
NSN 6320-00-521-9350