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 6620-01-431-9176
NSN 7035-01-322-0221
NSN 5935-01-168-8781
NSN 6620-01-299-8949
NSN 5998-00-375-4259
NSN 5990-00-226-7894
NSN 5999-00-026-8532
NSN 2925-01-129-1261
NSN 5920-00-016-8255
NSN 5895-01-414-6699
NSN 5975-00-125-6683
NSN 5996-01-084-6930