Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 13218E0320-89 found under Nut Plain Hexagon by Cecom Lr Center. The National Stock Number assigned to this part is 5310014989981, 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 13218E0320-89.