Need to identify

A quick learner from Palm Bay, FL says:
April 20, 2022
Can you please tell me what this part is based on the printing.
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Tom from SWISCO responded:
April 21, 2022

I'm not sure what you have, unfortunately. We have dozens of different balances with that stamp. It's not a product code or anything, it just indicates the strength of the spring.

In order to figure out what Series this is, I need you to remove an undamaged version of this balance from the window and show me clear pictures of the top and bottom nylon fittings. I will also need to know the dimensions of these fittings.
A quick learner from Palm Bay, FL says:
April 27, 2022
Good morning.
I am attaching photos, some not so great, of measurements.
Is this a part we can order?
Unfortunately there is not a manufacturer listed on the window.
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Tom from SWISCO responded:
April 27, 2022

The part you're showing me here is the top sash guide, though I cannot make out what your precise dimensions are. 

One possible match is our 18-009, though this is just an educated guess. You can review our dimensions below to see if they line up.

Detail of 18-009
Detail of 18-009

Side view of 18-009
Side view of 18-009
5/8" Top Sash Guide
5/8" Top Sash Guide
18-009
$0.99
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