Truth casement window hinge number 31272 (5.5" long bar) replacement

A home owner from King of Prussia, PA says:
We have a 20+ year old casement window with a broken hinge. The operator still works. Unfortunately the little black plastic piece broke and has rendered the window inoperable. I think if I just replace the hinge I will be good...but I can't find it anywhere. I am wondering if there is another hinge that might work in its place. There are pictures of both the left window which is in working order (Pic 1) and 2 pictures of the broken window hinge Pics 2 & 3 with the arrows in them)
Thumbnail of the uploaded file named casement 1.JPG
Thumbnail of the uploaded file named casement 2.PNG
Thumbnail of the uploaded file named casement 3.jpg
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Bob from SWISCO responded:

I believe our 36-004-10 or 36-004-14 might work as replacements, depending on the size you need and so long as you replace both hinges in the window. Compare both with your existing hardware and let me know what you think. 

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