The fifteen Kd80-m8 Kd80 1987 Brake Pedal component parts are all listed in this schematic.
Parts such as the Brake Pedal: Spring,brake Pedal, Bolt-trq Link 10x25, Nut,10mm, Washer-plain-small,6m are included in the Kd80-m8 Kd80 1987 Brake Pedal parts fiche.
On this parts fiche the Nut,10mm is the most specified component.