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 6150-00-537-4333
NSN 6110-01-393-3696
NSN 2925-01-394-9658
NSN 5965-00-612-0072
NSN 5905-00-648-7177
NSN 6145-01-197-3887
NSN 5930-01-400-6126
NSN 4140-01-493-6675
NSN 6320-01-371-1603
NSN 6685-01-529-6990
NSN 5930-01-360-3151
NSN 6145-00-861-6035