The lowest price component in this Alternate 2 (body - Rig) parts-list fiche is the Nut, Self-locking(jn5).
five components are listed in the schematic for this Vx500/600xtcea 1997 Alternate 2 (body - Rig) .
In this schematic the "Nut, Self-locking(jn5)" is used most often.