Anderson Window Sash Replacements

A quick learner from Mechanicsburg PA says:
We need sash replacements for Anderson window, see the attached photos.

Here are the numbers we found on them,

Left Side,
11600R-2
BH92 637 196

Right Side,
6 23 32
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Bob from SWISCO responded:

See our 24-637. This is meant to replace Andersen balances that include the stamps 623 as well as 637, respectively. 

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