Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 245-0645 found under Solar Cell Panel by Caterpillar Inc. The National Stock Number assigned to this part is 6117015240618, and the Federal Supply Class is 6117 Solar Electric Power Systems. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 245-0645.