Tilt latch for DH window

A home owner from 37221 says:
Window markings:
Window ANS/AMMA 101-88
DH R-20
Series 212
MST: 3961
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Tom from SWISCO responded:
I'm afraid I cannot identify what you have based on this information. if possible, I'd like to see a couple pictures of the tilt latch in question. If you can show it to us out of the window, that'd be even better.
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