The Nut is the cheapest item from this partsfiche.
Parts such as the Turnsignal Lamp (sv650sk3/sk4/sk5/sk6/sk7/sak7): Plate,turnsignal Lamp, Nut, Plate,rr Turn Signal, Screw are included in the Sv650a 2004 (k4) Usa (e03) Turnsignal Lamp (sv650sk3/sk4/sk5/sk6/sk7/sak7) parts fiche.
The twenty-three Sv650a 2004 (k4) Usa (e03) Turnsignal Lamp (sv650sk3/sk4/sk5/sk6/sk7/sak7) component parts are all listed in this schematic.