4140-01-089-8857 (A041032854)
4140-01-089-8857 is equivalent to manufacture part number 850270. 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.