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 6110-00-078-8565
NSN 5999-00-286-6231
NSN 6610-01-200-2881
NSN 5950-01-634-0677
NSN 2925-01-004-5627
NSN 6685-01-611-9919
NSN 5998-01-429-8779
NSN 6220-00-660-5539
NSN 6240-01-069-9022
NSN 5950-00-392-3886
NSN 6105-01-401-5361
NSN 6135-01-424-1114