four components are shown in this Ns50f-ii 1989 (k) Japan Ac08-140 (jdm) F-7 exploded diagram.
With a quantity of four pieces, the Collar,adjust is the most used part in the F-7 diagram.
Some items from this specific schematic: Fender C*pb184mu*, Collar,adjust, Bolt,flange,6x20, Bridge Fr. Fender.