Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number E23004ITEM15 found under Gear Rack by Rockwell W S Co. The National Stock Number assigned to this part is 3020011872357, 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 E23004ITEM15.