Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number WE12X47 found under Pulley Flat by General Electric Co. The National Stock Number assigned to this part is 3020011221102, 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 WE12X47.