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 6240-01-146-8219
NSN 5975-01-162-6221
NSN 5965-00-246-5612
NSN 6650-00-287-5868
NSN 5935-01-442-6483
NSN 2925-00-676-8334
NSN 5920-01-072-9414
NSN 6105-00-403-0903
NSN 6645-01-421-4007
NSN 5920-01-496-1309
NSN 6105-01-328-8881
NSN 6620-01-498-2052