Sunroom operator crank handle and mechanism - ID help?

A home owner from USA says:
Hi, Dave, etc.:
Could you kindly tell me which replacement part # I need to order? I have two of these sunroom operator cranks, and both are pretty much broken at this point. Probably manufactured around early 2000s. Inside handle shows "04 05" marks that could perhaps help ID it? Thanks! Andy.
User submitted photos of a window operator.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
Take a look at our 39-025 operator and see if this has the same dimensions as your existing operator. You may also find the video below helpful.
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