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 5930-01-004-0303
NSN 5998-00-155-6002
NSN 6645-01-553-8500
NSN 5935-00-476-6837
NSN 6620-00-679-5830
NSN 6650-01-396-0767
NSN 6150-01-050-0876
NSN 6610-01-500-0863
NSN 6645-01-315-2010
NSN 6650-01-640-9370
NSN 5835-00-227-7909
NSN 6645-01-387-7209