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 6110-00-764-2014
NSN 5935-01-020-8274
NSN 5985-01-508-1407
NSN 6645-00-153-3834
NSN 5998-00-905-6772
NSN 6130-01-260-9188
NSN 5965-01-284-0124
NSN 6650-00-217-6292
NSN 6240-01-421-4025
NSN 5965-00-021-5620
NSN 6150-01-265-2337
NSN 6150-01-218-0746