A mechanical device designed to permit a free flow of air into and out of an enclosure, usually used on engine crankcase, vehicular differentials and transmissions, pumps, compressors, and the like. see also cap, vent, fuel storage tank. excludes ventalator (as modified).
Classification: Pressure-reducing valves, pneumatic fluid power type, filter-regulators and filter-regulator-lubricators
NSN 6610-00-769-6826
NSN 5905-00-440-6385
NSN 5999-00-108-8499
NSN 5975-01-547-5282
NSN 6620-01-274-3423
NSN 5996-01-076-2938
NSN 5996-00-909-5466
NSN 5965-01-026-1752
NSN 5975-01-500-1307
NSN 6320-01-652-3806
NSN 5915-01-128-5401
NSN 6620-00-360-4460