DIN 471 External circlip
The DIN 471-External circlip is the most common form of safety device
for shafts with external grooves. The DIN 471 Circlip is used to fasten
elements such as freewheels or levers to shafts. It can transmit
considerable axial forces from the part of the machine which exerts
the force to the groove in which the circlip is fitted.