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 5935-01-147-4977
NSN 6150-00-571-2934
NSN 5990-01-227-0660
NSN 5998-01-619-8912
NSN 5960-01-219-0524
NSN 6650-01-462-5879
NSN 2925-01-376-6760
NSN 5895-01-634-0630
NSN 6650-01-462-0830
NSN 6220-01-582-0179
NSN 5895-00-042-1519
NSN 6105-00-960-0072