twelve components are shown in this Nps50 Zoomer.dx 2011 (b) Japan Af58-190 E-12 exploded diagram.
Parts such as the E-12: Gear Comp,final, Dowel,pin,8x14, Oil Seal,24x40x7, Washer,14mm are included in the Nps50 Zoomer.dx 2011 (b) Japan Af58-190 E-12 parts fiche.
The component with the lowest price in the E-12 schematic is the Washer,thru,17mm.