The window glass says Andersen, but the Andersen folks can't find the parts!

A home owner from Oakland, CA says:
I've been working on this a while now. The window glass, as you can see, says the windows are Andersen. However, the operators and the hinges don't match any Andersen parts at all. I even worked with an Andersen associate who saw photos of the operator and confirmed they have nothing like it. The operator handle and operator cover DO seem to be the same as some Andersen parts, but they are not branded like the Andersen ones are. I need a bunch of these, as the Andersen associate confirmed the windows were installed just over 10 years ago by the previous house owner, and they are all breaking now.
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Tom from SWISCO responded:

I believe your hinge which is discontinued and no longer available. You might be able to use our 36-004-10 casement hinge as a replacement; I've known professionals in the past who were able to use this on an Andersen brand window without issue. 

I don't think your operator is around anymore, either. I'm less confident about a substitute for this. You could take a look at the 39-264, which looks similar to yours, but it may take some adaptation to get it to work. For example, it may require the 39-362 sill adapter plate. I just can't be sure since I've never tried it myself.

Please look over the recommended hardware and let me know what you think.

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