Andersen window balance

A handy person from Presque Isle, MI says:
June 7, 2021
Photo ...1631 is top of balance stamped with 11600-3. 1967 CAN 3335455.

Remaining photos show J165?28585. The questionable digit could possibly be 4
Appreciate any help you can provide.
Thanks.
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Bob from SWISCO responded:
June 10, 2021

That p or # within '5#23' is a tell that's the significant clump of numbers. An old Andersen balance stamped 5#23, or 523, can be replaced with the 24-531.
Andersen Sash Balance, 519, 523, 525, 527, 531
Andersen Sash Balance, 519, 523, 525, 527, 531
24-531
$54.20
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