Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 8344RD found under Core Radiator by Yates American Machine Co Inc. The National Stock Number assigned to this part is 2930002463727, and the Federal Supply Class is 2930 Engine Cooling System Components Nonaircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 8344RD.