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 5996-01-368-0852
NSN 4140-01-152-9161
NSN 6620-01-046-3648
NSN 6610-01-206-0703
NSN 6135-00-812-9039
NSN 6130-01-227-2250
NSN 6610-01-521-9801
NSN 6320-01-265-0665
NSN 4140-00-195-7336
NSN 6105-01-370-4267
NSN 5895-01-528-7708
NSN 6150-01-213-9000