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 6650-00-963-1692
NSN 2925-01-261-0701
NSN 5905-01-356-4733
NSN 6130-01-067-9383
NSN 6150-00-185-9995
NSN 6610-00-860-4222
NSN 5910-00-376-9768
NSN 6220-01-464-3040
NSN 6620-01-065-3742
NSN 6145-01-440-8365
NSN 6135-01-400-2947
NSN 5895-01-219-5183