Need Help On What Part I Need For Window #1

A quick learner from Brunswick, Maine says:
I have attached 4 images of my window crank assembly and am hoping you can assist with identifying exactly what I need and the price.
The window hinges are on the left looking out the window.
The arm attaching to the crank is 5".
The other leg is 3.5".
User submitted photos of a window operator.
Andersen Windowalls
Profile picture of Tom
Tom from SWISCO responded:
Thanks for posting. I think you should start by looking at our 39-146 and 39-147 and see if you think these could work for you.
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