snap in glazing

A from Lake Forest, Illinois says:
275 part pcs V108 brown (for Marvin clad casement windows clad, 4 9/16" JB, IG, w/screens)
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Bob from SWISCO responded:

Marvin windows have used many kinds of glazing bead over the years, so it's difficult for me to say what you need on this information alone. Could you show us a picture of your glazing bead's 'end profile'? That cross-section view is most helpful in identifying a substitute. Dimensions would also be very useful. In the time being, see our entire selection of glazing bead here.

A quick learner from Lake Forest, Illinois says:

for marvin clad purchased in 1984, we will need 48 pieces that are 150" long each

User submitted image.
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Tom from SWISCO responded:

Thank you for your patience during this busy season. We don't have an exact match for your glazing seal, but our 55-306 has a similar design. Could you use this as a substitute? Look over the size of the profile and see what you think.

Profile view of 55-306
Profile view of 55-306
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