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 6150-01-105-6027
NSN 5960-01-219-5504
NSN 2925-00-546-3129
NSN 5920-01-298-8373
NSN 5835-00-177-2970
NSN 5855-01-575-0061
NSN 5935-01-306-1179
NSN 6650-01-146-5000
NSN 5960-01-217-4526
NSN 5985-00-235-8899
NSN 5975-00-103-6653
NSN 7035-01-467-3101