The Nut.hex 10mm is the lowest priced item on this F-21 Stand schematic.
With all the components that make up the CB650P 1979 (Z) GENERAL EXPORT F-21 STAND assembly. The Nut, Flange, 8mm is the most frequently specified with two applications.
The F-21 Stand assembly is constructed from several parts from which the Stand Comp.,main is the most expensive.