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 6105-00-401-8548
NSN 5835-01-132-5894
NSN 7035-01-429-0431
NSN 2925-01-525-8212
NSN 5930-01-453-4164
NSN 6220-00-329-9155
NSN 5990-01-449-7090
NSN 5935-00-186-7760
NSN 6620-01-167-0881
NSN 5965-01-275-2212
NSN 5925-00-826-1628
NSN 5990-01-591-8797