Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A86640-041 found under Gearcase Motor by U S Dept Of Transportation Federal. The National Stock Number assigned to this part is 3010011466947, 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 A86640-041.