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 5920-01-519-8835
NSN 6135-01-467-5100
NSN 6130-01-336-1488
NSN 6650-01-425-1600
NSN 5855-00-757-5149
NSN 6150-01-357-5074
NSN 5930-01-256-9629
NSN 5920-01-641-7646
NSN 5935-00-675-5799
NSN 6645-00-848-8490
NSN 5999-01-473-9323
NSN 6320-01-309-4407