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 6110-00-234-9377
NSN 5998-01-063-8170
NSN 6240-01-607-6252
NSN 5855-01-162-5251
NSN 7035-01-104-5446
NSN 5855-01-606-3745
NSN 5998-01-144-5998
NSN 6650-01-574-7646
NSN 2925-01-255-6394
NSN 6685-00-703-6811
NSN 5975-01-444-8616
NSN 5945-01-307-2493