The Screw-washer,5x12 is the lowest priced item on this Headlight schematic.
The thirty-five Trx250 Fourtrax 250 1985 (f) Usa Headlight component parts are all listed in this schematic.
A sample from the products for the Headlight include: Bolt,flange,8x16, Mount,hd/lt Brkt., Nut,light Case, Handle,headlight.