Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number W104089-1 found under Nut Plain Hexagon by Curtiss Wright Electro Mechanical Corporation Div Steam And Air Solutions. The National Stock Number assigned to this part is 5310011630449, and the Federal Supply Class is 5310 Nuts And Washers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like W104089-1.