4140-01-180-9911 (FF12989/AVR202-175D2426)
4140-01-180-9911 is equivalent to manufacture part number 500899-140. It is a vaneaxial fan 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.