Which operator do I need

A professional from says:
I believe this part is stripped internally. When I swapped a good one from another window, it opens and closes fine. Which one exactly might I need? I can't find any information anywhere. No number or anything, not on this part, not on the window. Thanks
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Bob from SWISCO responded:

Thanks for posting. I believe this is an older version of the 39-025 Awning Operator. Please compare the dimensions below with your old hardware and let me know if this matches up.

Dimensions for 39-025
Dimensions for 39-025
Instructional drawing on how to install the 39-025 awning window crank operator.
Instructional drawing on how to install the 39-025 awning window crank operator.

A professional from PA says:
Thank you so much. The measurements are the same, I went ahead and ordered a few. Thanks again
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Bob from SWISCO responded:

Great to hear! Let us know if you ever have any other questions, and thanks again for reaching out. 

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