Window Hinge for multi-family housing unit-high-rise

A quick learner from Elizabeth, NJ says:
Looking for number of these hinges as replacements of fixes for the windows in our multi-housing building. Please let me know ASAP.

Thank you,
User submitted photo of their window hardware.
Profile picture of Tom
Tom from SWISCO responded:
Hello, Ian. This looks an awful lot like our 15-058. Please give it a look and tell me how well it compares to your own hinge.
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