Metal frame casement window operator

A handy person from Florida says:
I live in Florida. The house is CMU built in the late 1940s. A lot of the windows are painted shut but Im trying to make them operable one by one. I think this will match 39-001 , but I'd like to be sure. Will the part need additional finishing to account for the moisture down here? Thanks for your help!!
User submitted photos of a window operator.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
I agree, the 39-001 and 39-002 look like good matches. Just make sure all the dimensions match up.
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