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 6110-01-166-8539
NSN 6610-00-801-4652
NSN 6220-00-419-0635
NSN 5985-00-185-5430
NSN 6650-01-189-0975
NSN 4140-00-021-4021
NSN 5855-01-544-7264
NSN 5960-01-360-4107
NSN 6620-01-517-0014
NSN 5935-01-352-5858
NSN 6645-01-450-4849
NSN 5930-01-392-6257