Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 11645013 found under Spider Universal Joint Vehicular by Precision Machining Inc. The National Stock Number assigned to this part is 2520001778126, 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 11645013.