A nonpositive displacement mechanical device designed to provide cool air in aircraft air conditioning systems. Cool air or reduction in temperature is obtained when the heat or energy of compressed air is removed by converting it to work or mechanical energy to drive an impeller wheel. Compressed air is directed through nozzle vanes and impinged upon the blades of a turbine wheel creating rotary motion which drives an impeller wheel. Consists of an impeller wheel, a turbine wheel matched with a nozzle ring on a bearing mounted shaft within a scroll type housing(s).
Classification: Other parts of airplanes or helicopters for use in military aircraft (excludes propellers, rotors, undercarriages, and parts thereof)
NSN 6135-00-519-1325
NSN 6220-01-153-1937
NSN 5945-01-284-7337
NSN 5930-00-397-3613
NSN 6145-00-409-4488
NSN 5998-00-948-5298
NSN 5895-00-166-5146
NSN 6145-01-134-4942
NSN 6610-01-141-7014
NSN 6110-01-633-9660
NSN 6650-00-573-7131
NSN 5835-00-443-1079