Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C2120C21 3.3465 found under Sprocket Wheel by John Bean Technologies Corporation. The National Stock Number assigned to this part is 3020010490903, 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 C2120C21 3.3465.