9#27 and 12#27 Anderson sash identification please

A home owner from CA says:
I need to replace sashes for three windows, two having the same sash numbers

1) E27 9#27 6-85
2) P75 12#27 3 85

Both also have 11600-3 on the top and 11600-17 on the bottom along with the patent number

Thanks
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Tom from SWISCO responded:
Thanks for posting! Please see our 24-939, which can replace balance boxes with the stamp 9#27, and our 24-1231, which can replace balance boxes with the stamp 12#27.
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