FASCO mortise lock

A quick learner from Baltimore says:
Do you have a lock that we can replace this with. The lock doesn't work properly. The lock is 12 inches from top screw to bottom screw. The whole mortise assembly is 12 1/2 inches. It is 1" wide and 1 1/2" deep.
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Casey from SWISCO responded:

Hello,

Take a look and compare the dimensions of our 82-260 recessed mortise lock to yours. It also looks like the thumb latch is missing from your inside handle, so you may also need our 82-107 latch. Thanks for posting! 

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