Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BU3D found under Torque Converter Vehicular by Barney And White Auto Parts Inc. The National Stock Number assigned to this part is 2520012323060, 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 BU3D.