In this schematic the "Washer, Plate(481)" is used most often.
Parts such as the Rear Master Cylinder: Cylinder Kit, Master, Pedal, Brake, Washer, Plate 1562722600, Clip (7k7) are included in the Xtz660h (35.3kw 1992 3yf4 Germany 223yf-332g1 Rear Master Cylinder parts fiche.
The Xtz660h (35.3kw 1992 3yf4 Germany 223yf-332g1 Rear Master Cylinder consists of twenty-nine pieces with the Rear Master Cylinder Assy being the most expensive.