looking for window crank mechanism

A handy person from Troy Il. says:
10-5231 LR is the marking i see inside the crank mechanism.
do you sell this item?
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Jasmine from SWISCO responded:

Thanks for reaching out. We do not carry your exact awning operator but our 39-256B is the closest match. The link arm is different from yours so you'll need to compare the measurements and the design.

I apologize we can't recommend a replacement that meets your exact specifications.

Dimensions for 39-256B
Dimensions for 39-256B

How to identify casement and awning operators
How to identify casement and awning operators
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