On this parts fiche the Washer(6.5x20x1.6) is the most specified component.
A sample from the products for the Headlamp (gsf1200sk1/sk2/sk3/sk4/sk5/szk5) include: Bulb(12v51w,hb4,p22d), Headlamp Assy, Socket,cover, Nut.
This Headlamp Assy is the most expensive of the items that make up this Headlamp (gsf1200sk1/sk2/sk3/sk4/sk5/szk5) assembly.