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 6320-00-905-0543
NSN 6620-00-932-4306
NSN 6110-01-341-0936
NSN 5895-00-404-5974
NSN 6620-00-088-8795
NSN 7035-01-547-7415
NSN 5996-01-304-6110
NSN 5950-01-223-5217
NSN 5945-01-586-6170
NSN 6320-01-072-2073
NSN 4140-01-309-4926
NSN 5950-01-371-2095