Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S50053-121 found under Universal Joint Vehicular by Bw Elliott Manufacturing Co Llc. The National Stock Number assigned to this part is 2520011177306, 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 S50053-121.