Truth window closer

A handy person from Minnesota says:
I have 2 Truth hardware window closers I need to replace. Both are marked on the arms 31850 and underneath 45251. I think k they are the Truth Dyad. Measurements are the same but mine are a "clay" type color.
Truth window closer
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Tom from SWISCO responded:

Thanks for contacting us. See our 39-315 and 39-316, these look similar to your pictured operator.

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