In this schematic the "Disk,a.friction (nas)" is used most often.
The most reasonably priced component used on the Cb750f 750 Super Sport 1978 Usa Clutch is the Bolt,flange,6x22.
A sample from the products for the Clutch include: Spring,clutch, B/brg Rad N/com, Bolt,flange,6x22, Plate B,cluch.