Will my old handle fit 39-092?

A contractor from Mechanicsburg says:
I have an operator(RH 570001?) that has two broken teeth on its closing gear and will not close the window completely. It(39-092) seems to be the correct updated part but will my old handle fit the spindle or should I purchase it with new operator(39-224)?
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Dave Sr. from SWISCO responded:
I'm not sure if your old handle will fit our 39-092. I'm not familiar with the number you gave us. Keep in mind that the 39-224 has a 5/16" hex gear bore. If your old handle does, as well, then it may, indeed, work.
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