Parts such as the Rear Shock Absorber: Case Cushion, Metal Cushion, Cushion Assy, Washer 24 Mm are included in the Ct200 Trail 1964 Usa Rear Shock Absorber parts fiche.
The Washer,10mm is the lowest priced item on this Rear Shock Absorber schematic.
With two applications this Cushion Assy is the most specified part.