Vintage Viking windows

A quick learner from Portland Oregon says:
viking windows from the 80's. Need help identifying replacement for older viking window channel balance. The balance is stamped 1620 - 1/2 inch, 17 inches long (metal only). Any help appreciated.

User submitted photos of a window balance.
Profile picture of Paul
Paul from SWISCO responded:
Hey, Kevin. See our Series 395 channel balance, this looks like a possible match. A
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