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 6130-01-392-4406
NSN 6240-00-989-2421
NSN 5925-01-592-9629
NSN 5835-01-442-6482
NSN 5998-01-421-2773
NSN 6620-01-145-7762
NSN 5965-00-181-0213
NSN 5930-00-253-3989
NSN 6610-00-854-9166
NSN 6130-00-140-2582
NSN 5998-01-185-1419
NSN 5996-00-145-8174