Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number E23004 PIECE 5 found under Bearing Washer Thrust by Rockwell W S Co. The National Stock Number assigned to this part is 3120011856038, and the Federal Supply Class is 3120 Bearings Plain Unmounted. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like E23004 PIECE 5.