Casey from SWISCO responded:
July 21, 2023
Hello, I would recommend taking a look at the 38-144 casement window lock. Unfortunately, the internal plastic piece is not available separately but take a look and compare the dimensions to your part. Please note that you would also need to replace the keeper with either the 38-276 or 38-277. Thank you! Alternate image for 38-144
Alternate view of 38-144
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