Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FSB0002497 found under Fan Assembly Centrifugal by Progeny Systems Corporation. The National Stock Number assigned to this part is 4140015429024, and the Federal Supply Class is 4140 Fans Air Circulators And Blower Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like FSB0002497.