Check out any of the eleven Turn Signals (km100-a6/a7) components enlisted.
Some items from this specific schematic: Lens-signal Lamp, Bracket-signal Lamp, Screw,tapping, Nut,10mm.
With a quantity of eight pieces, the Washer,plain,4mm is the most used part in the TURN SIGNALS (KM100-A6/A7) diagram.