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 5965-01-416-9564
NSN 5996-00-548-8762
NSN 5975-00-208-6771
NSN 6220-00-528-7752
NSN 5998-01-502-9439
NSN 6240-01-408-6394
NSN 6685-01-459-2188
NSN 5915-01-543-9217
NSN 5985-01-445-1278
NSN 5855-00-118-8762
NSN 6685-00-909-9768
NSN 6685-00-919-2188