Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D27359-173 found under Ring Piston by Curtiss Wright Electro Mechanical Corporation Dba Steam And Air Solutions Div Cu. The National Stock Number assigned to this part is 2825002719044, 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 D27359-173.