Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 503213 found under Nozzle Block Turbin by Curtiss Wright Electro Mechanical Corporation Div Steam And Air Solutions. The National Stock Number assigned to this part is 2825005720955, 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 503213.