The lowest price component in this F-1 parts-list fiche is the Screw,washer,4x12.
Parts such as the F-1: Collar,6x6, Bulb,head Light, Socket Assy.,head, Band,nylon are included in the Nps50 Zoomer 2006 (6) Japan Af58-150 F-1 parts fiche.
The F-1 assembly is constructed from several parts from which the Guard,hd/lt is the most expensive.