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 5920-00-025-0587
NSN 5915-01-364-1093
NSN 6105-00-675-0525
NSN 6135-00-235-1938
NSN 6105-00-110-2132
NSN 5975-01-621-7613
NSN 6105-01-261-8028
NSN 5975-01-538-7255
NSN 5835-00-240-9838
NSN 5985-00-932-2702
NSN 6135-00-557-8874
NSN 6105-00-205-0655