Awning window replacement crank

A handy person from Elmira, NY says:
November 21, 2011
I need to replace the opening/closing mechanism in a vinyl awning replacement window. I believe it is what's referred to as a "dual scissor type" arm. When fully collapsed the arm is 21.5 inches from end to end. The top of the inside "housing" of the crank mechanism measures 5 inches in width. The outside measurement of the slots on the window attachment is 1 & 3/8. I do not know the make of the window. One of the arms has "Truth" stamped on it under a small picture of a "house". I have included two pictures. Please help me locate this part if possible.

Thank you, Raymond
A customer submitted photo of a window operator.
Profile picture of Donna
Donna from SWISCO responded:
November 28, 2011
Thanks for posting, Raymond! Please take a look at our 39-083 Dual Arm Crank and compare it to your sample.
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