Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DR313C3 found under Gear Spur by Skf Usa Inc. The National Stock Number assigned to this part is 3020014658431, and the Federal Supply Class is 3020 Gear Pulley Sprocket And Transmission Chain. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like DR313C3.