Awning crank replacements

A quick learner from Florida says:
No markings of any kind. I did notice the operator link arm seems to mount on the opposite side of the awning mechanism than the video I watched. Don't know if that helps. The house was built in 1972 in Florida.
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Casey from SWISCO responded:

Hello,

We'd be happy to help but we would need to see photos of your crank fully removed from the window, including a clear view of the top and bottom installation holes, as well as the arm that connects to the window linkage. Also, please include written-out dimensions of your installation holes to compare to our inventory. Thank you. 

A quick learner from Florida says:
I don't know how exactly to write out the dimension holes.. sorry, math is not my strong suit.
Maybe get me in the ballpark I can find the right one.
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Casey from SWISCO responded:

Thanks for getting back to us. I would recommend starting by comparing the dimensions of the 39-084 to your awning crank. The key details are the installation hole spacing and the diameter of the hole in the link arm. Let us know if you notice any discrepancies and we can go from there. 

Dimensions for 39-084
Dimensions for 39-084

Alternate view of 39-084
Alternate view of 39-084

A landlord from Belle,WV says:
A close look at the place where it was welded, I can see we have the same window awning operator. Probably from the 50s. Did you find the one that fit your window well?
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