1964 Andersen Awning Operator

A quick learner from USA says:
Hi. I'm hoping to replace the operator kits on my 1964 Anderson windows. The arm is 15 inches. Product Code 39-389 looks right but is for a later window. Please see attached photos.
User submitted photos of a window operator.
A quick learner from USA says:
I would like to purchase only the crank/handle first, in case that's enough. Can you tell me if yours is compatible with my system please?

Thanks, David
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
The Andersen handle for this operator is 39-286, if that's all you need.
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