Window casement operator TRUTH part#40055 LH

A handy person from Buffalo, NY says:

It seems your 39-027E is close to my broken left hand operator. I attached pictures of the broken one with dimensions shown at side. Please help me find the closest replacement to the TRUTH part #40055LH. The 1 inch depth recess (top view3) is more critical which the old trim sits on it.

User submitted photos of a window operator.
Profile picture of Paul
Paul from SWISCO responded:
Yes, the 39-027E appears to be our closest match. I think yours is just an older version. The only difference appears to be that your arm might be a little longer than 9-1/2" but it's hard to tell.
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