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 6150-01-070-9912
NSN 5998-00-270-8459
NSN 5950-01-159-5248
NSN 5996-00-946-4291
NSN 6620-01-571-0900
NSN 5920-00-974-4381
NSN 5925-00-957-1932
NSN 5945-01-373-9766
NSN 5985-00-031-2368
NSN 6320-00-977-3930
NSN 5895-01-273-5107
NSN 6145-01-395-9102