Parts such as the Taillight: Washer,plain,6mm, Rub,hd/lt Brkt, Bulb,winker, Unit Comp.,tail L are included in the Cbr600se Smokin' Joe's Edition 1998 (w) Usa Taillight parts fiche.
On this parts fiche the Rub,hd/lt Brkt is the most specified component.
The Nut,flange,6mm is the cheapest item from this partsfiche.