Dave Sr. from SWISCO responded:
July 21, 2023
Hello, Unfortunately, this operator is no longer made and we won't be able to provide an exact match. With that being said, you could consider using the 39-365 and 39-366, along with a 39-114L handle. We can't make any guarantees and modifications would likely be necessary but see if you could adapt these parts to work in your window. We actually had a customer with the same operator and 11" long arm confirm that they were able to modify the bottom of the window with a router to accept the 39-504 track used with these operators. Thanks for posting. Alternate image for 39-365
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