Snap in glazing replacement for 1975 casement windows

A quick learner from Williamsville, New York says:
Please see attached photos of the snap in glazing I have in my casement windows. Please identify and suggest a replacement if possible. My windows were manufactured in 1975 and have know identifying marks or numbers on them.
User submitted photo of their window glazing.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
Thanks for posting. I'm afraid I'm not familiar with this glazing. Take a look at our 55-156 and see if you could possibly use this as a substitute. It was used by Wenco windows. I'm not sure if it will work but it seems to be the closest possibility we have.
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