Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 8103-3500 found under Flywheel Assembly by Leidos Inc. The National Stock Number assigned to this part is 2815001098142, and the Federal Supply Class is 2815 Diesel Engines And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 8103-3500.