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 6150-00-141-8793
NSN 6685-01-087-4049
NSN 5910-01-509-0025
NSN 5835-01-073-2455
NSN 6240-01-535-6520
NSN 5935-01-254-0985
NSN 6105-00-983-8440
NSN 5930-00-188-5728
NSN 7035-01-146-7096
NSN 5975-01-476-8899
NSN 6220-00-145-1423
NSN 5930-01-485-0153