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 6145-01-406-5022
NSN 5999-01-415-5716
NSN 6105-00-850-0112
NSN 6110-01-034-7217
NSN 5910-01-608-3772
NSN 5930-01-066-8694
NSN 6610-00-456-2364
NSN 7035-01-542-6856
NSN 4140-00-350-0181
NSN 6130-01-210-7064
NSN 5996-01-605-0950
NSN 6150-00-689-8268