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 5925-00-728-1289
NSN 6105-00-949-8889
NSN 6130-00-952-1803
NSN 7035-00-286-6221
NSN 6110-00-372-4780
NSN 5925-01-030-5088
NSN 6135-00-826-4798
NSN 5945-00-931-8219
NSN 6620-01-498-4241
NSN 5910-01-325-9381
NSN 5996-01-476-7550
NSN 5930-01-519-8440