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 6110-01-605-2450
NSN 7035-01-023-7859
NSN 5915-01-537-2662
NSN 6645-00-476-7176
NSN 6105-01-482-0415
NSN 5910-01-537-6377
NSN 6685-00-977-0858
NSN 5945-01-634-0588
NSN 2925-01-591-4030
NSN 5895-00-862-5564
NSN 5975-01-399-1603
NSN 5975-00-238-6884