Parts such as the Right Handle Switch (model T: Clamp(l:120), Switch Assembly, Spring, Lever,brake are included in the Gs450l 1981 (x) Usa (e03) Right Handle Switch (model T parts fiche.
In this schematic the "Screw" is used most often.
This schematic depicts all components used in the Gs450l 1981 (x) Usa (e03) Right Handle Switch (model T partslist.