With seven applications this Washer(10x15x1.5) is the most specified part.
A sample from the products for the Front Brake Hose include: Union, Bolt, Washer(10x15x1.5), Piston & Cup Set.
The twenty-one Gsx1300rz Hayabusa 2004 (k4) Usa (e03) Front Brake Hose component parts are all listed in this schematic.