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 5960-01-389-4055
NSN 5985-01-292-7938
NSN 4140-01-152-1214
NSN 5925-01-250-2514
NSN 5965-00-011-6742
NSN 4140-01-358-3417
NSN 5925-01-145-4565
NSN 6105-01-173-4981
NSN 5910-01-471-3797
NSN 6620-00-065-3235
NSN 7035-00-320-5644
NSN 7035-01-292-7439