hand crank casement window

A contractor from morro bay says:
It seems the gear is stripped and will not open or close correctly. The part number looks like 45136 with a pat # 4505601
User submitted photos of a window operator.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
Hey, thanks for posting. Please see our 39-315 operator. I believe this is a newer version of your operator. I would suggest reusing the same sash bracket, since I couldn't find that exact type anywhere. It may not be available anymore, so hold onto it.
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