The component with the lowest price in the REAR HUB schematic is the Pin-cotter,4.0x35.
On this parts fiche the Stud,10x21 is the most specified component.
Parts such as the Rear Hub: Stud,10x21, Cam-brake, Dust Shield-brake Cam, Shoe-brake (nas) are included in the El250d4 Eliminator 1993 United Kingdom Gr Rear Hub parts fiche.