Help identifying "pivot" for spiral balance

A contractor from Longmont, CO says:
This came from a vinyl window, manufacturer unknown. The plastic housing is 2 5/8" long, 11/16" wide.
User submitted photos of a pivot bar.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
Take a look at our 26-379. This appears to match your dimensions. However, keep in mind that the locking tab is closer to the end. It still may work, but look it over anyway and see what you think.
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