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: Intake air filters for internal combustion engines
NSN 4140-00-401-3123
NSN 6110-01-351-3940
NSN 5930-01-138-6423
NSN 6110-01-025-1286
NSN 6135-01-156-4627
NSN 7035-00-286-6221
NSN 6320-00-894-1644
NSN 5990-00-212-4316
NSN 6620-01-327-7273
NSN 5920-01-257-6643
NSN 5996-01-088-7074
NSN 5935-01-455-5795