Mastic window part replacement

A home owner from 41071 says:
Hi- I'm looking for these parts that allow the window (Mastic windows I believe) to stay open when lifted. The grey pieces are quite corroded and brittle (the one pictured has fallen apart), and the tan sliding parts are usually worn as well.
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Emily from SWISCO responded:

Hello!

The style of your pivot bar reminds me of something like our 26-316 or 26-457 . I can't get a good look at your pivot shoe but you can start by taking a look at our 15-175 which uses the Series 152 coil springs. Compare our dimensions to an undamaged version of your hardware to see if these parts match up.

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