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 5905-00-868-6668
NSN 5835-01-632-6627
NSN 5990-01-461-8969
NSN 6145-01-235-2190
NSN 6645-00-171-9639
NSN 6685-01-444-9932
NSN 5985-01-593-6435
NSN 5905-01-542-2936
NSN 7035-00-140-3070
NSN 6610-01-452-0135
NSN 5925-00-236-0758
NSN 5990-01-248-0108