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 5960-00-536-1535
NSN 6130-00-965-8470
NSN 6110-00-349-3964
NSN 5999-01-525-9921
NSN 5895-00-458-4913
NSN 4140-01-476-7871
NSN 5996-01-511-6126
NSN 5855-00-962-5792
NSN 7035-01-632-2879
NSN 5835-01-561-2959
NSN 5935-01-227-5833
NSN 5935-00-807-7228