O.S. Scheibenfeder / Drive Washer 61SX / RX / SF / RF-H

This is the replacement drive washer for the following OS engines:
.61 SFN-H w/6B carb .61 SFN-H ABC w/6B / .61 SX-H Heli SE .61 RX-H Heli RE / .61 RFN-H RC .61 RFN-H

INCLUDES:
1- Drive washer (aluminum)
1- Woodruff key

SPECS:
Diameter face: (26mm)
Inside diameter: (9mm)
Width: (9mm)