On this parts fiche the O-ring (p95) is the most specified component.
A sample from the products for the Stand. Footrest include: Spring, Tension(3xp), Pin, Clevis(4xl), Collar(3xp), Nut, U.
The most reasonably priced component used on the Wr250f 2002 5ph6 Spain 1a5ph-100e2 Stand. Footrest is the Washer(526).