This is the window crank we are looking for

A professional from Connecticut says:
the date on the window is 3/3/98
1GccRCHA1Gmac are the letters/numbers we see on the crank, some of the G might be 6
1521101 stamped on the arm
Thumbnail of the uploaded file named Pic of window crank.jpg
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Emily from SWISCO responded:

Hi there!

Thanks for reaching out to us. Our 39-099 comes to mind. I recommend you review our specifications to confirm they match up with your old assembly.

Let us know if you have any questions! 

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