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 5835-01-216-7289
NSN 5998-01-327-6671
NSN 6610-01-038-2122
NSN 6135-00-110-1981
NSN 5930-00-515-3437
NSN 5990-01-607-3528
NSN 5925-00-984-3319
NSN 6620-00-761-2540
NSN 6620-00-832-2556
NSN 6145-01-367-6929
NSN 6135-00-305-2052
NSN 5990-01-116-2181