Replacement mortise lock

A home owner from Cape cod ma says:
Hi,
I'm looking for a replacement lock. This 4" x 1 1/2" X11/2"
It says DNS Miami Fl on one side.
The lock is in a wooden slider door.
Thank you,
Peter
User submitted a photo of a mortise lock.
Profile picture of Tom
Tom from SWISCO responded:
Is this for an Andersen door? I'm reminded of the mortise lock that comes with our 82-037 kit, but I'm not sure. See what you think.
A professional from CA says:
Looks closer to 82-263 to me.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
I agree, 82-037 is the newer style and may not work. 82-263 may be the safer bet.
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