The most reasonably priced component used on the Cb500 2000 (y) France / 34p Seat is the Washer,plain,5mm.
Some items from this specific schematic: Bolt,special Flan, Bolt Flange 8x20, Cowl Set, Rr. (wl) *, Bolt,special Flan.
In this schematic the "Nut,flange,6mm" is used most often.