awning window operator (1970's?)

A quick learner from NJ says:
No markings of any kind found on the parts. The operator is 5 3/4 from end to end while the gear part is 4" from end to end and 2 1/2 inches from hole to hole. I hope this is enough info to help.

User submitted photos of a window operator.
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Paul from SWISCO responded:
I believe you have something similar to our 39-026. Carefully compare the specs we show to your own hardware and see if you agree.
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