casement window parts

A home owner from cedar rapids iowa says:
wind blew open window out of casement the track has 40987 written on it and there is a metal arm with 31858 and Truth written on it. I am looking for the plastic clips that hold the sash in the tracks top and bottom and may need opener operator arms just
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Emily from SWISCO responded:

Thanks for posting! Check out the 39-529 guide shoe and let us know what you think. If you have any further questions please let us know. 

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