Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 509E123BAG3 found under Blade Set Steam Tur by General Electric Co. The National Stock Number assigned to this part is 2825005360492, 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 509E123BAG3.