Window dyad crank with a longer arm length

A home owner from PA says:
March 9, 2011
According to the measurements on your websites 39-089 was the replacement part I needed. When it arrived it was obvious that it was not. They are 5" but the arm length is different. I am attaching 2 pic in the hihopes that you can help me identify the correct replacement part.

Thank you for your help,
Stephen B.
user photo of window crank
User submitted photo of window crank
Profile picture of Mike
Mike from SWISCO responded:
March 11, 2011
Hello Stephen. Thank you for contacting us.

It appears the Swisco 39-187 Sash Dyad Crank, 5" matches the "old" crank shown in the images.
A home owner from PA says:
March 11, 2011
The crank you suggested also looks correct to me. I went ahead and ordered it so we'll see.

Thanks again,
Stephen B.
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