Truth window hinge
A quick learner from Chicago says:
December 15, 2014
Please identify the hinge part. The crank/operator is OK. The part of the hinge screwed into the frame is 10".
Paul from SWISCO responded:
December 16, 2014
Thank you for contacting us. I would look at our 36-013-10 hinge set to start. Could this work for you? Also be sure to watch the video below to see how it installs.