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 5920-01-302-0423
NSN 6650-01-044-5431
NSN 6130-00-554-7852
NSN 5920-00-215-5642
NSN 5905-00-708-0891
NSN 6650-01-514-0240
NSN 6105-01-424-7570
NSN 6130-01-470-6971
NSN 2925-01-595-4345
NSN 5985-01-113-8197
NSN 5930-01-596-0098
NSN 5930-01-092-0744