Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3456-5W found under Gear Assembly by Excello Corp Machine Tool Prod. The National Stock Number assigned to this part is 2825000363217, and the Federal Supply Class is 2825 Steam Turbines And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 3456-5W.