The component with the lowest price in the UNDER COWLING INSTALLATION PARTS (GS500FK4/K5/K6) schematic is the Nut.
In this schematic the "Nut" is used most often.
A sample from the products for the Under Cowling Installation Parts (gs500fk4/k5/k6) include: Bracket,lower, Nut, Clip, Bolt Oil Level.