ID on this snap bead?

A contractor from Arizona says:
April 11, 2018
We've been trying to find a suitable replacement for this for years.. Do you know what type of windows it comes from? its similar to a Milgard vinyl snap bead but not quite. Its similar to your Product Code: 55-192, but what we're looking for is flatter and longer.

Any help or guidance is much appreciated. We have bought from you site once or twice before and refer some customers directly to your site for window hardware/ balancer purchases.
Thumbnail of the uploaded file named snap bead profile
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Tom from SWISCO responded:
April 16, 2018

I'm afraid the 55-192 is the closest match we have. You say yours is flatter and longer. The flatness could be a matter of age; yours may have just lost its springiness over the years. As for length, are you referring to the size of the profile or the total lengths we sell? If you're referring to the profile size, we measure ours a little differently than overall width. See the diagram below. 

Profile view of 55-192
Profile view of 55-192
7' White Glazing Bead
7' White Glazing Bead
55-164
$14.97
3' Snap-in Glazing
3' Snap-in Glazing
55-197
$6.77
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