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 5835-01-337-2793
NSN 5999-01-514-7439
NSN 5950-01-005-0111
NSN 6610-00-051-0989
NSN 6620-01-413-9243
NSN 4140-00-051-3296
NSN 5965-00-768-4366
NSN 6105-00-432-2654
NSN 6130-00-070-3387
NSN 5915-01-475-7205
NSN 5925-00-837-6637
NSN 6110-00-949-4977