The Nps50 Zoomer 2008 (8) Korea Winker (nps508/9) consists of nine pieces with the Winker Assy R Fr. being the most expensive.
The lowest price component in this Winker (nps508/9) parts-list fiche is the Screw,tapping,3x1.
In this schematic the "Lens,winker" is used most often.