This schematic depicts all components used in the Sv650s 2007 (k7) Usa (e03) Rear Master Cylinder (sv650sk3) partslist.
On this parts fiche the Washer(10x15x1.5) is the most specified component.
Parts such as the Rear Master Cylinder (sv650sk3): Nut, Washer, Bolt, Connector are included in the Sv650s 2007 (k7) Usa (e03) Rear Master Cylinder (sv650sk3) parts fiche.