Weather seal for late 1980s pella casement

A handy person from Ames, Iowa says:
Trying to find the correct gasket/seal for 1980s (house built in 1988) pella casement windows. Appears to be insert (with a couple barbs) and 90 degree "tab" for the seal.
User submitted a photo of window hardware.
Profile picture of Tom
Tom from SWISCO responded:
We may be able to help, but I cannot identify your seal from this picture. Could you remove a small piece and show us a clear photo of its end? Seeing its profile from the end would be a huge help. I will also need your measurements. Thanks!
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