Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 99311301-01 found under Motor Transmission by Aero Systems Engineering Inc. The National Stock Number assigned to this part is 3010014577648, 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 99311301-01.