awning window hardware replacement

A home owner from 116 Vivion Drive Aik4en, SC 29803 says:
The house was built in 1962
Ovarall length is 5.7"
Overall length of arm is 2.65"
Size of holes is .2 "
No markings found
A customer submitted photo of a window operator.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
Thanks for posting.

Right away, I would suggest that you take a look at our 39-017, 39-058, 39-074, and 39-280 Window Operators.

I can't make out the linkage in your pictures. Is it off set arms? Also, is the end hole threaded or is it just a hole? For now, please look at the ones I suggested. If you are still unsure retake the last photo, as it is a little blurry. If you can also, supply the dimensions.
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