Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number T31205 found under Boot Power Transmission Componen by A And A Manufacturing Co Inc. The National Stock Number assigned to this part is 2520013913915, and the Federal Supply Class is 2520 Vehicular Power Transmission Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like T31205.