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 4140-01-028-2743
NSN 5960-01-200-4621
NSN 6145-00-866-5666
NSN 5895-00-248-7477
NSN 6130-00-350-3099
NSN 5925-01-465-6279
NSN 5895-01-551-0622
NSN 6130-01-411-1678
NSN 6645-00-953-2492
NSN 6610-01-470-4684
NSN 5985-01-146-5679
NSN 5905-00-183-4189