In this schematic the "Nut Hex, 5mm" is used most often.
The Nut,hex.,6mm is the lowest priced item on this Alternator (denso) schematic.
A sample from the products for the Alternator (denso) include: Alternator Assy.(, B/brg Rad N/com, Insulation,bush, Alternator (cjq21).