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 5915-00-821-6148
NSN 6135-00-563-7711
NSN 5935-00-565-4573
NSN 6685-01-101-9005
NSN 6620-01-010-0038
NSN 5925-01-199-6033
NSN 6220-00-949-0024
NSN 5920-00-391-6252
NSN 5835-00-681-0005
NSN 6685-01-269-5240
NSN 7035-00-478-4596
NSN 6610-00-994-0190