Check out any of the twenty-four Rear Brake Master Cylinder components enlisted.
Parts such as the Rear Brake Master Cylinder: Screw,pan,5x10, Bolt, Flange,6x12, Hose,rr.brake, Pin Comp.,brake R are included in the Vfr750f Interceptor 1988 (j) England / Mkh Rear Brake Master Cylinder parts fiche.
On this parts fiche the Washer,oil Bolt is the most specified component.