4140-01-168-7531 (J1048-6-3/8IN-B-CCW-ALU/SOLIDHUB)
4140-01-168-7531 is equivalent to manufacture part number F-8580. It is a axial fan impeller and is classified under Federal Supply Class 4140 (4140 - Fans, Air Circulators, and Blower Equipment), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 4140 - Fans, Air Circulators, and Blower Equipment and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.