The twenty-two Xl100k3 U.s.a F-1-1 Headlight - Horn component parts are all listed in this schematic.
This Case, Head Light is the most expensive of the items that make up this F-1-1 Headlight - Horn assembly.
Some items from this specific schematic: Headlight Assy. (6v35/36w) (stanley), Nut,light Case, Washer, Spring,unitholder.