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 6645-01-192-4079
NSN 5835-01-614-1900
NSN 6150-01-302-9663
NSN 6105-01-004-7890
NSN 6620-01-147-5615
NSN 5960-00-005-2424
NSN 5990-00-140-4559
NSN 5998-00-718-0145
NSN 6110-01-606-9749
NSN 5920-00-781-1928
NSN 5945-00-833-1701
NSN 5935-01-345-5665