need to repair (3) windows installed 20 years ago in Bridgewater, NJ need help with manufacturer

A contractor from Bridgewater NJ says:
3 windows, crank open vinyl type 23" x 58.5"58.5"

can I get replacement parts?
User submitted a photo of a window operator.
A contractor from Bridgewater NJ says:
stamp on bottom arm that cranks window open, hinge includes a black plastic rectangle that is broken in half. can you tell what manufacturer uses that logo or stamp number?
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
Our 39-171 Truth brand operator has that same stamp on the bottom, but that doesn't necessarily mean it's a match. I advise you to compare the specs we show for the 39-171 and the opposite side, the 39-172, to your own hardware to ensure that they match. You may also want to see our 36-013-10 hinge.
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