Retaining Ring, M9 External

External retaining ring for 9 mm shaft.
These retaining rings are used several places on the mini lathe and mini mill.

To find the correct retaining ring, measure the diameter of the shaft (not the groove).
An 8 mm shaft is approximately 0.315" in diameter.
A 9 mm shaft is approximately 0.354" in diameter.
A 10 mm shaft is approximately 0.394" in diameter.
A 12 mm shaft is approximately 0.472" in diameter.
In your instruction manual, this part appears on the parts list as: