Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number E12931 PIECE 66 found under Cartridge Spray by Timken Gears And Services Inc. The National Stock Number assigned to this part is 2825012196381, 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 E12931 PIECE 66.