*1EA OEM COTTER PIN 3MM X 45MM BRAKE PEDAL RETAINER AXLE NUT RETAINER (BXR5-138) 94201-30450
 
This pin is used on a lot of different Hondas to help hold the brake pedal on the shaft that it pivots on.

This pin is also used on a lot of axle nuts. All ATC 70s 90s and 110'S for sure use this.