The Washer,plain,5mm is the lowest priced item on this Headlight schematic.
Some items from this specific schematic: Washer,plain,5mm, Nut,insert,m5x0.8, Cord Comp.,marker, Headlight Assy.(1.
The sub assemblies and components that make up this Headlight include this Headlight Assy.(1, the most expensive part.