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 6610-01-051-3538
NSN 6110-01-164-4332
NSN 6610-00-226-4710
NSN 5985-00-390-3834
NSN 6150-01-172-2038
NSN 5999-01-567-3718
NSN 5930-01-137-4857
NSN 6135-00-932-3136
NSN 6610-00-150-6408
NSN 5950-01-328-2814
NSN 6135-01-071-4923
NSN 4140-00-433-9571