Of all the components that make up this Right Crankcase Cover the Nut Hex 4mm has the lowest price.
Parts such as the Right Crankcase Cover: Bolt,flange,6x28, Bolt,flange,sh,6x40, O-ring 11x1.9, Spg.clutch Lever are included in the Trx250x Fourtrax 250x 1992 (n) Usa Right Crankcase Cover parts fiche.
On this parts fiche the Bolt,flange,6x28 is the most specified component.