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 5925-01-393-3463
NSN 5975-01-188-2787
NSN 5855-01-147-3262
NSN 5915-01-556-0924
NSN 2925-01-151-6969
NSN 5910-00-959-6889
NSN 5910-00-456-4349
NSN 5905-00-406-5811
NSN 6620-00-736-8457
NSN 5835-01-561-2959
NSN 5960-01-449-1310
NSN 5930-01-522-5980