vinyl double hung windows

A handy person from Great Falls, VA says:
Unfortunately I can not find any markings of any nature on my vinyl double hung windows. The balance is a spiral type, and what I call the 'foot' on the bottom of the sash that inserts into the balance 'port' is broken. I have several that are broken and I can not find replacements. The first 2 photos are of the broken 'foot' and the third is an in-place unbroken one.

Any assistance, suggestions, and solutions are all greatly appreciated Thank you in advance for your help Tom
User submitted photos of window hardware.
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Tom from SWISCO responded:
The part you're looking for is known as a pivot bar, which fits into the pivot lock shoe. See our 26-040 and let me know if you could use this as a match. It only uses one screw hole instead of two, but as long as it aligns with at least one of your own screw holes I think it should still work. Look over our measurements, especially the hole spacing, and see what you think.
A home owner from Great Falls, VA says:
Thank you for the response. Unfortunately, the first hole of my current pivot bar is 1 3/4" from the insertion end; the second hole is 2 1/2" from the end, with overall length of the bar at 3".

If I can not find an exact replacement, can I drill new holes to match a 'near replacement' part?

User submitted a photo of a pivot bar.
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Paul from SWISCO responded:
We also have the 26-089, which is 3" long and has one hole that matches at 2.5". You can drill for the other hole used, if necessary.
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