O.S. Prop Washer 20-40Tower Stock# OSMG8020 • Manufacturer Stock# 23009006
61RFN engines. It is installed between the propeller and the propeller nut.
This can also be used on other engines the have a 1/4" crankshaft.
One Prop Washer
None, item is a stock part
Inside Diameter: 6.4mm (.254")
Can also be used on other engines the have a 1/4" crankshaft.