Parts such as the Tail Lamp: Bolt,6x16, Bulb,6v 21/5w, Body-comp-tail Lamp, Lamp-tail are included in the Ar80c2 1984 Usa / Mph Tail Lamp parts fiche.
The seven Ar80c2 1984 Usa / Mph Tail Lamp component parts are all listed in this schematic.
This TAIL LAMP assembly utilises two Bolt,6x16(s) - the highest specified component.