Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 509E617ERG-1 found under Diaphragm Steam Tur by Curtiss Wright Electro Mechanical Corporation Div Steam And Air Solutions. The National Stock Number assigned to this part is 2825014533342, 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 509E617ERG-1.