window crank identification

A handy person from Falmouth Mass says:
I am not sure what model or manufacturer I have. The B dimension is: 1 1/8”
The C dimension is: 2 5/16” or 2 3/8
And the thread on the end of the connecting rod is 10-24
User submitted photos of a window operator.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
Thank you for posting. The closest possible match we could find was our 39-025. Take a look and let me know if you could use this as a replacement.
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