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 5910-01-614-4092
NSN 5965-01-281-3895
NSN 6685-00-769-5697
NSN 5910-01-470-1903
NSN 5965-01-380-9821
NSN 2925-00-964-7128
NSN
NSN 5905-00-430-5313
NSN 6320-01-558-8844
NSN 5965-00-670-2931
NSN 6685-00-840-6317
NSN 5985-01-577-6873