Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number UJ24X1 3 4 found under Universal Joint Vehicular by Emerson Electric Co. The National Stock Number assigned to this part is 2520013625743, 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 UJ24X1 3 4.