Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D2641 FIND 2 found under Core Assembly Fluid Cooler by Xchanger Manufacturing Corporation. The National Stock Number assigned to this part is 4420013231813, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like D2641 FIND 2.