Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 47X11-02257 found under Gear Internal by Mitsubishi Engine North America Inc. The National Stock Number assigned to this part is 3020015937963, and the Federal Supply Class is 3020 Gear Pulley Sprocket And Transmission Chain. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 47X11-02257.