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 6110-01-367-2165
NSN 5895-00-543-1584
NSN 5996-00-800-7628
NSN 5998-01-411-6009
NSN 6110-01-255-1712
NSN 5990-01-472-2447
NSN 6220-00-231-9429
NSN 5996-01-496-3180
NSN 6320-00-456-2092
NSN 6650-01-568-0299
NSN 6240-00-688-6351
NSN 6610-01-027-1641