Replacement parts for the internal lock

Question

The spring of the internal lock for our patio door is broken. But we are not sure the right replacement parts. Can you help us identify the right parts?  Thank you.

Casey · Accepted Answer

Hello,

Your mortise lock resembles the 82-227. Take a look and compare the dimensions below to your assembly. Thanks for posting and let us know if you need anything else.

Alternate image for 82-227