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 6650-00-554-4568
NSN 5965-01-290-7085
NSN 6150-00-080-2347
NSN 6130-01-364-2733
NSN 5930-00-299-7623
NSN 6645-00-780-5260
NSN 5985-01-157-8894
NSN 6610-01-155-8315
NSN 7035-01-390-1132
NSN 5935-01-547-9024
NSN 5945-01-167-8194
NSN 6105-01-123-8887