truth casement window operator

A handy person from Michigan says:
part look like the old style 39-013 and number printed 05262005 stamp 45251.arm length 13.5 inch.
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Dave Sr. from SWISCO responded:
I'm not sure what your question is. Are you asking if the 39-013 is the operator you need? If so, I cannot confirm, as I was unable to cross-reference those numbers. They could be old numbers that the manufacturer no longer uses.

Honestly, numbers stamped on an operator aren't often the best way to find out what you need. The best method is to compare the style and dimensions to the pictures we show on our site.
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