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 6220-01-522-1884
NSN 5905-01-331-5778
NSN 2925-01-433-8915
NSN 5960-01-278-2852
NSN 5960-01-456-1735
NSN 5925-01-550-6106
NSN 5915-01-484-9097
NSN 6650-00-555-1061
NSN 5999-01-607-6723
NSN 6135-00-100-0485
NSN 6240-01-130-1505
NSN 5965-01-258-5662