A sample from the products for the Front Brake Caliper include: Spring,pad (nissi, Bolt A,pin (nissi, Boot B, Cap,bleeder.
This schematic depicts all components used in the Cb600f2 Hornet 2002 (2) European Direct Sales Bct Kph Front Brake Caliper partslist.
On this parts fiche the Seal Set,piston is the most specified component.