Part Identification

A quick learner from Portland, ME says:
HI, I am wondering if you have this part? I did already order the inverted link 15-224 but it is not the same. I can not find the one that I have pictured. Can you help me? Thanks!
Thumbnail of the uploaded file named part for window.jpg
Thumbnail of the uploaded file named window part.jpg
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Tom from SWISCO responded:

This is a weird one. I've never seen an inverted link like this before. Would it be possible to see a picture of it still installed on the balance? Seeing the entire balance may actually give us the clue we need, come to think of it.

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