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 5895-01-533-4418
NSN 6145-01-657-6041
NSN 5998-01-479-1886
NSN 6610-01-211-6182
NSN 7035-00-919-3381
NSN 5998-00-156-8572
NSN 5925-01-154-2468
NSN 5999-01-461-8280
NSN 6320-00-937-5625
NSN 6135-01-611-8483
NSN 5998-01-652-9988
NSN 5855-01-173-0808