O.S. Prop Washer 10-12Tower Stock# OSMG8008 • Manufacturer Stock# 21109005
It is installed between the propeller and the propeller nut.
This can also be used on other engines the have a 5mm crankshaft.
One Prop Washer
None, item is a stock part
Inside Diameter: 5.4mm (.21")
If prop nut is needed for the 10FP or 15LA, use OSMG7932