Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 25C HEN found under Nut Plain Hexagon by Souriau Usa Inc. The National Stock Number assigned to this part is 5310013120245, 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 25C HEN.