DNS hardware replacement

A quick learner from St Paul says:
August 7, 2017
I need a replacement lock for my patio door. Best guess is the door/lock are original equipment on the home, so about 20 years old.
The only marking I see is "DNS" stamped on the side of the lock mechanism.

I have included some pictures for reference.

Thank you
Jim
User submitted photos of patio door hardware.
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Tom from SWISCO responded:
August 10, 2017
Hey there! Thanks for contacting SWISCO.com. It looks like you need our 82-227 mortise lock and 82-020 handle. Compare measurements and let us know what you think.
A quick learner from Ohio says:
September 14, 2021
I have a question for you. I looking for a replace lock for my sliding door. It is marked DNS. Here are the photos. Can you point me in the right direction.
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Paul from SWISCO responded:
September 20, 2021

Your hardware reminds me of our 82-020 handle and 82-227 mortise lock, but carefully compare our dimensions to yours and see if these match what you need. 
Mortise Lock, 5-3/8"
Mortise Lock, 5-3/8"
82-227
$14.94
Mortise Style Handle Set, 3-15/16"
Mortise Style Handle Set, 3-15/16"
82-020
$40.72
Mortise Lock, Round Face, 3-11/16"
Mortise Lock, Round Face, 3-11/16"
82-218
$11.70
How to install a Legacy Handle Set
How to install a Legacy Handle Set
VIDEO
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How to install the 82-218 Mortise Lock
How to install the 82-218 Mortise Lock
VIDEO
WATCH >
How to maintain a sliding glass door
How to maintain a sliding glass door
GUIDE
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