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 6610-01-576-8955
NSN 6220-00-778-7213
NSN 5910-00-170-5534
NSN 2925-00-365-3289
NSN 6105-01-550-8842
NSN 7035-00-782-7046
NSN 5945-00-113-4302
NSN 5996-01-206-4104
NSN 6240-00-471-5399
NSN 6620-01-189-8153
NSN 5990-01-548-5979
NSN 6130-00-946-5220