Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5-515X found under Spider Universal Joint Vehicular by Dana Driveshaft Manufacturing Llc. The National Stock Number assigned to this part is 2520012898307, and the Federal Supply Class is 2520 Vehicular Power Transmission Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 5-515X.