Npt: tba-12. Micron rating: 3.
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 5990-00-140-4559
NSN 6135-00-603-4859
NSN 6645-01-500-0827
NSN 6135-01-510-4663
NSN 5998-01-170-4352
NSN 6240-01-078-7941
NSN 6145-00-408-1724
NSN 5855-01-419-9429
NSN 6150-01-478-6515
NSN 5920-01-244-8299
NSN 4140-01-146-0157
NSN 6135-01-393-4746