Of all the components that make up this Electric Parts 1 the Washer(6a1) has the lowest price.
Parts such as the Electric Parts 1: Ybs66-5 Washer, Plain, Collar (676), Damper, Screw are included in the L150etj/l200etj 1986 Electric Parts 1 parts fiche.
In this schematic the "Screw, Pan Head (713)" is used most often.