The lowest price component in this Turn Signals parts-list fiche is the Screw-pan-wp-cros,4x8.
A sample from the products for the Turn Signals include: Lamp-assy-signal,fr,r, Lamp-assy-signal,fr,l, Lamp-assy-signal,rr,l, Washer,signal Lamp.
In this schematic the "Screw-pan-wp-cros,4x8" is used most often.