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 2925-01-100-3694
NSN 5935-01-387-8873
NSN 5998-01-323-5271
NSN 6105-01-632-0567
NSN 2925-00-055-9601
NSN 6685-00-956-9232
NSN 5965-01-192-7797
NSN 6105-01-017-2748
NSN 5965-00-879-7287
NSN 6105-01-128-3153
NSN 6320-00-468-8421
NSN 6650-01-426-4253