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 5975-00-097-0177
NSN 6645-00-012-5834
NSN 4140-01-648-4791
NSN 6105-01-517-8202
NSN 5905-01-469-0691
NSN 5835-00-617-3578
NSN 6145-00-106-0611
NSN 5925-01-348-7826
NSN 5915-01-524-0639
NSN 6135-01-215-1245
NSN 5895-00-146-1809
NSN 5996-01-584-5603