Parts such as the Front Brake Caliper: Body,calip*nh35m*, Bolt,flange,6x10, Bolt,flange Dr 8x, Plate,back are included in the Nsr125r 1993 (p) England Front Brake Caliper parts fiche.
The twenty-two Nsr125r 1993 (p) England Front Brake Caliper component parts are all listed in this schematic.
On this parts fiche the Seal Set,piston is the most specified component.