Need mortise lock and handle for storm door

A quick learner from Denver, CO says:
I have inherited a storm door without any hardware and need a lock and handle for the door. Looking at the website it looks like I need a 40-183 or a 40-186. Can someone look at the existing holes in the door and let me know which would fit (if either)? Thank you for your help.
User submitted photos of storm door hardware.
Profile picture of Tom
Tom from SWISCO responded:
Thanks for posting and sending us your pictures!

You will have to do some further comparing, but it does seem the cutout dimensions are similar to that of the 40-183 (as you mentioned) and the 40-049 Locksets.

However, the lock portion (rectangle cutout) is on top, when it should be on the bottom. Double-check that, but you may have the wrong swing on the door.
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