Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FS11057-1RH found under Gear Assembly Speed Decreaser by Footejones Illinois Gear Co Div. The National Stock Number assigned to this part is 3010008869734, and the Federal Supply Class is 3010 Torque Converters And Speed Changers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like FS11057-1RH.