Need window crank mechanism

A contractor from Alexandria va says:
I need the pictured jealousy part. Please advise if you can sell me the part. Customer has this part in bathroom shower window, the window is a narrow window, between 15-18 wide if I had to guess.
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Tom from SWISCO responded:

Hello! Your operator is similar in design to our 39-318, but it's tough to tell if this is an exact match. Review its specs and see what you think!

Alternate image for 39-318
Alternate image for 39-318

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