Casement Window Hardware

A contractor from Nashua, NH says:
I am trying to find replacement hardware for matching left and right casement windows. Please see images for measurements. The right casement hardware has a number stamped. Difficult to read, but it looks like 10304, or 10804. I cannot locate any other window labels, manufacturer IDs, or any other markings. Tax records show the home was built in 2011.
Thumbnail of the uploaded file named Left Casement Annotated.jpg
Thumbnail of the uploaded file named Right Casement Annotated.jpg
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Lauren from SWISCO responded:

Hello, thank you for posting,

Your operator resembles the 39-329 and 39-330 style. Please review the overall style and dimensions to see how they compare to your originals. Let us know what you think and if you have any additional questions! 

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