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 5915-01-527-8963
NSN 5835-00-196-9771
NSN 6110-00-740-5750
NSN 6650-01-655-0762
NSN 5985-00-144-8170
NSN 6320-01-125-3361
NSN 5905-01-153-2512
NSN 6650-01-258-5871
NSN 5855-00-927-5726
NSN 6130-01-366-7995
NSN 6685-00-050-3697
NSN 5965-01-053-7168