connector for Marshall (?) window

A quick learner from La Mirada, CA. says:
I believe this is a Marshall window. The connector shown connects the cable from the overhead balancer to the lower window. The opposite side connector has broken so that the cable cannot be attached.
Thumbnail of the uploaded file named connector.jpg
Thumbnail of the uploaded file named right side broken.jpg
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Lauren from SWISCO responded:

Hello, thank you for posting,

Your part resembles the 15-209 balance end bracket. Please review the dimensions below to confirm a good fit! 

Alternate view of 15-209
Alternate view of 15-209

Profile view of 15-209
Profile view of 15-209

Classifying Channel Balance Fittings
Classifying Channel Balance Fittings
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