On this parts fiche the Plate-friction (nas) is the most specified component.
Some items from this specific schematic: Housing-comp-clutch, Spacer,thrust,t=5.5mm, Washer,20.3x36x2.3, Nut.
The most reasonably priced component used on the El250d7 Eliminator 1996 Europe Gr Clutch is the Bolt, Clutch Spr Fitt.