Bubble seal for awning window

A home owner from North Carolina says:
I think these are Anderson windows from the mid 1980's. I can't find markings on the corner of the glass. The seals are literally falling apart. The one piece intact that is shown in my fingers is approx.9/32"-5/16". I have 9 windows to do once we determine the correct product. I'm thinking the product is similar to the 58-055 or 58-187. The color appears to be beige or tan but that could just be the age of the seal. Every time I try to pull the kerf out it just tears off.
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Paul from SWISCO responded:

Hi, thanks for reaching out. From your photos and no glass markings, it doesn't appear you have Andersen windows. Please look and compare our 58-053 bubble seal with a 5/16" bulb as a replacement. The kerf would slide and lock into the groove. This weatherstripping is very popular with wood casement windows. Let us know what you think.

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