Internal Latch

A contractor from Buffalo NY says:
Looking for help in identifying these internal replacement window sash latches.

I've attached 2 photos of the broken latches.
The internal length is 2-5/8"
The internal width is 5/8"
These measurements fit inside the upper sash frame.

I've added a pic of the only identifiable mfg. Clue as well.

Latch has a patent number of PAT #5,139,291
and also has an 8L imprinted on it.
Thumbnail of the uploaded file named Length
Thumbnail of the uploaded file named Width
Thumbnail of the uploaded file named Tilt Latch
Thumbnail of the uploaded file named Opening
Thumbnail of the uploaded file named Sticker
Profile picture of Lauren
Lauren from SWISCO responded:

Hello, thank you for posting,

The closest we can provide to your originals is the 26-243 and 26-244 tilt latches. My main concern is the style of the latch tongue. Notice that yours is more curved in. For this reason we cannot guarantee the replacement will not interfere with the balance in the window channel. 

Take a look to see what you think! 

Alternate view of 26-243
Alternate view of 26-243

Profile view of 26-243
Profile view of 26-243

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