Spring lock for peachtree double hung Ariel window

A handy person from Waymart, PA 18472 says:
October 3, 2020
Looks very similar to part number 15-014
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Bob from SWISCO responded:
October 7, 2020

Can you show us the hardware in question, preferably out of the window? That would help narrow down what you might need. Many thanks. 
A handy person from Waymart, PA 18472 says:
October 26, 2020
Please see the photo attached and let me know what you think.
Thumbnail of the uploaded file named 20180310_162120.jpg
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Bob from SWISCO responded:
October 26, 2020

Thanks for getting back to me. This shoe actually looks more like the 15-197 to me, which is similar to the 15-014 but has a different shape. See if you agree. 
Black Locking Terminal, Great Lakes
Black Locking Terminal, Great Lakes
15-197
$2.04
Classifying Channel Balance Fittings
Classifying Channel Balance Fittings
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