Looking for a specific casement lock we cannot seem to find

A landlord from Chicago, IL says:
I have had a repair specialist out to try to replace this lock and he was unable to find this part anywhere. This goes on a double hung window.
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Tom from SWISCO responded:

Thanks for posting. This looks like a match for our 38-144 lock, which is compatible with the 38-277 and 38-276 keepers.

A landlord from Chicago, IL says:
Thank you!!! It looks like its the part we are looking for. :)
Anatomy of a casement window
Anatomy of a casement window
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