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 4140-01-574-8138
NSN 5855-01-444-9182
NSN 5975-01-528-7886
NSN 6650-01-623-3078
NSN 4140-01-522-9128
NSN 5990-01-578-5382
NSN 5999-01-425-4697
NSN 5835-00-269-2232
NSN 6645-01-272-6987
NSN 5998-01-352-4815
NSN 6320-01-227-2648
NSN 5990-00-402-0564