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 6320-01-366-5157
NSN 6610-01-228-8883
NSN 6110-01-427-3671
NSN 5910-01-531-8685
NSN 5855-01-485-7755
NSN 6610-00-764-6627
NSN 6645-00-484-1992
NSN 5996-00-318-3405
NSN 5925-00-217-6381
NSN 5905-00-119-6610
NSN 5930-01-328-8510
NSN 5835-01-525-3220