Norco casement D series clad case Jel-N-555

A quick learner from Manteno,IL says:
I saw other questions about this single arm crank operator but but mine isnt 13 1/2 iches long?

Truth is inprinted on the arm crank
User submitted photo of their window hardware.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
Thanks for posting! See our 39-412 instead, this appears to be a better match.
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