Parts such as the F-11: Nut,spring,6mm, Screw,tapping,4x10, Screw,fr.cover, Bolt Wash.,6x12 are included in the Nps50 Zoomer 2007 (7) Japan Af58-160 F-11 parts fiche.
The Bolt Wash.,6x12 is the lowest priced item on this F-11 schematic.
eighteen components are shown in this Nps50 Zoomer 2007 (7) Japan Af58-160 F-11 exploded diagram.