On this parts fiche the Nut,axle is the most specified component.
Parts such as the F-17 Rear Cushion: Dust Seal B, Seat,rr,cush Spg, Bolt,flange,10x40, Bush,cush.conn. are included in the Cr60r 1984 (e) F-17 Rear Cushion parts fiche.
Of all the components that make up this F-17 Rear Cushion the Dust Seal B has the lowest price.