Some items from this specific schematic: Arm Assy.,cushion, Label,rr.damper W, Nut,axle, Nut,hex.,14mm.
The most reasonably priced component used on the Cbr500f 1987 (h) Austria Rear Cushion (cbr500fh/fj) is the Nut,hex.,14mm.
With six applications this Oil Seal 17x27x5 is the most specified part.