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 2925-01-121-3355
NSN 5835-00-198-4936
NSN 6645-00-536-1555
NSN 5925-01-506-5306
NSN 5999-01-437-8843
NSN 5915-01-214-4185
NSN 6220-01-373-5918
NSN 2925-01-303-5266
NSN 6610-01-116-2527
NSN 5985-01-437-8863
NSN 6645-01-390-6520
NSN 5925-01-161-3265