With a quantity of four pieces, the Nut,hex 6mm is the most used part in the F-13 AIR CLEANER - BATTERY diagram.
Parts such as the F-13 Air Cleaner - Battery: Label,aircleaner, Bolt,hex 6x25, Trap Comp.,flame, Clip,c6,tube are included in the Ct125 1982 (c) England F-13 Air Cleaner - Battery parts fiche.
The Washer,plain, 6mm is the cheapest item from this partsfiche.