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 6240-01-377-5503
NSN 5975-01-019-7873
NSN 5935-01-462-4981
NSN 5835-00-978-9806
NSN 6135-01-222-0703
NSN 6150-01-431-9727
NSN 5985-01-434-4075
NSN 6130-01-182-7494
NSN 5925-00-927-5684
NSN 5975-00-380-5753
NSN 6145-00-275-4016
NSN 5945-01-354-2832