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 5915-01-327-2795
NSN 6145-01-089-7984
NSN 5998-00-382-9284
NSN 6240-00-954-0124
NSN 5999-01-400-5933
NSN 6620-01-415-2307
NSN 6620-00-838-6954
NSN 5960-01-207-9544
NSN 5960-01-266-1011
NSN 5915-00-368-4564
NSN 6130-00-409-2808
NSN 4140-01-015-5137