In this schematic the "Clip B10,tube" is used most often.
Of all the components that make up this Fuel Tank the Washer,plain, 6mm has the lowest price.
Parts such as the Fuel Tank: Tube,fuel5.5x330, Tube,fuel Reserve, Lid,body,frame, Clip B10,tube are included in the St50k3 Dax Denmark Fuel Tank parts fiche.