Window Cranks

A quick learner from Southington CT says:
House was built in 1987. Seems to be original windows. The wheel with the teeth that the crank operates to open the window seem to be stripped. You have to push it out about an inch and then it catches and same thing goes for closing them. Was just going to replace the entire crank assembly if possible. There are two different types that are attached.
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Bob from SWISCO responded:

Thanks for writing in. See our 39-171 and 39-172 to start. Look over the dimensions and see if these could work for you.

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