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 5998-00-299-2740
NSN 5895-01-202-5342
NSN 5905-00-900-2784
NSN 6135-00-110-1981
NSN 5935-01-328-3877
NSN 6135-01-416-3181
NSN 6110-01-187-7260
NSN 5999-01-067-3196
NSN 6645-01-195-6207
NSN 6145-00-504-5221
NSN 5945-01-296-9845
NSN 5975-00-246-7393