Parts such as the Handle Pipe - Top Bridge: Seat, Cushion, Crown Plate, Pipe,strg.handle, Bolt-washer,6x28 are included in the Cf70c Japanese Home Market (cf70-320) Handle Pipe - Top Bridge parts fiche.
This HANDLE PIPE - TOP BRIDGE assembly utilises four Bolt-washer,6x28(s) - the highest specified component.