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 5920-01-157-9471
NSN 5835-00-706-0829
NSN 5835-01-432-8801
NSN 5996-01-238-5494
NSN 5990-01-266-9144
NSN 6240-00-181-0730
NSN 5895-00-827-2095
NSN 6135-01-394-4160
NSN 5855-00-138-2386
NSN 6105-01-308-1543
NSN 6610-01-276-7766
NSN 6240-01-652-3751