The Nut,flange,5mm is the cheapest item from this partsfiche.
In this schematic the "Nut,flange,5mm" is used most often.
Parts such as the Generator: Reg Rec Comp., Bolt,flange,8x40, Terminal,out Put, Bolt,flange,8x38 are included in the Gl1500 Goldwing 1988 (j) Belgium / Kph Generator parts fiche.