The component with the lowest price in the FRONT BRAKE HOSE schematic is the Washer(10x15x1.5).
Parts such as the Front Brake Hose: Hose,fr Brake No.2, Pipe,front Brake No.2, Bolt, Washer(10x15x1.5) are included in the Sp600 1985 (f) Usa (e03) Front Brake Hose parts fiche.
On this parts fiche the Washer(10x15x1.5) is the most specified component.