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 6220-00-455-6306
NSN 5960-01-381-2478
NSN 5925-01-264-5080
NSN 6620-01-277-3947
NSN 5965-00-132-0229
NSN 5998-01-510-2316
NSN 2925-01-037-5383
NSN 5950-01-384-7717
NSN 5998-01-652-4807
NSN 5905-01-400-0889
NSN 6620-00-900-3986
NSN 6240-00-104-4662