ballance spring

Quick Learner from Las Vegas
I need a cross reference for a balance spring. The numbers on my original part are as follows

26 4 GU CMC 4

it is out of a Milgard window.

Thank you in advance
John
2 Replies
Tom
Tom from SWISCO
SWISCO
Expert
Hi, John. I can't say what style of balance this might be without seeing the part. If your balance is 1/2" wide, for a non-tilt window, check this out: is your balance one of these, or no?
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