Sliding glass door lock

A home owner from Kentucky says:
ANSI 297.1-1984
SGCC 945 5/32U
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Bob from SWISCO responded:

I am afraid I can't narrow down those numbers to a specific lock. Can you show me a picture of the hardware in question? From there I'll do my best to help you. 

A home owner from Kentucky says:
ANSI 297.1-1984
SGCC 945 5/320 or 32U
16 CFR 1.11
34W 1985

Can't figure out how to submit photos.
Thumbnail of the uploaded file named 16047816166375469187343578036348.jpg
Thumbnail of the uploaded file named 16047817683056801743465508564637.jpg
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Bob from SWISCO responded:

Thanks for the photos. This looks like the 82-263 Round Face Mortise Lock to me. Look it over and see if you concur.

A home owner from Kentucky says:
Yes I agree. Can you help me find a replacement lock. Can't consider replacing the door right now.
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Bob from SWISCO responded:

The 82-263 is the internal mortise lock you need. If you need a handle set as well, a 3-15/16" handle set like the 82-020 often works with this lock; but send us pictures of your old hardware if you are uncertain. All orders can be placed right through our online store. Let me know if you have further questions.

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