Need to replace broken window winder

A quick learner from Barryville, NY says:
The winder for one of our windows broke and I have not been able to open the window in several years. I have attached images of a sticker in another window frame which might help you identify the manufacturer, the design of the working winder on the window next to the broken one, and two images of the winder and handle to give you an idea of the dimensions. Please advise. Regards,
Thumbnail of the uploaded file named Broken parts
Thumbnail of the uploaded file named Handle
Thumbnail of the uploaded file named Operator
Thumbnail of the uploaded file named label
Profile picture of Casey
Casey from SWISCO responded:

Hello,

Your operator resembles the 39-329 at first glance but the dimensions would be the determining factor. We also offer the 39-330 opposite-handed version if needed. These operators are used with the 39-553 and 39-554 Roto sash brackets, along with the 39-232 folding handle. Review the specifications of these parts and let us know if you have any other questions. Thank you! 

Alternate image for 39-329
Alternate image for 39-329

Side profile view with measurements
Side profile view with measurements

A quick learner from Barryville, NY says:
Thank you for your email, what dimensions do I need to check in order to finalize the correct part ? sincerely,
Profile picture of Casey
Casey from SWISCO responded:

All of the dimensions are important to confirm an exact match. Keep in mind that the mounting base offers multiple installation holes for versatility since not all of them need to be used for installation.

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