Spring lock for peachtree double hung Ariel window

A handy person from Waymart, PA 18472 says:
Looks very similar to part number 15-014
Profile picture of Bob
Bob from SWISCO responded:

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:
Please see the photo attached and let me know what you think.
Thumbnail of the uploaded file named 20180310_162120.jpg
Profile picture of Bob
Bob from SWISCO responded:

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. 

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