Can the 40-049 replace the lockset in a HIMCO security screen door?

A quick learner from 91311 says:
Hello

Live in L.A. A local storm/security door maker (HIMCO) seemed to use what looked like custom locksets (HIMCO stamped on faceplate). Functionally, it looks the same as the 40-049 (mortised handle and deadbolt set). But the faceplate length and mounting screw locations differ. I don't see the bolts dimensioned in your pictures, so I couldn't compare size/position.

I measure the following -

Faceplate - 8 3/8 long X 13/16 in width

3/8 in countersunk mounting holes center to center - 7 5/8in (located 7/32 from top/bottom of faceplate)

Back-sets - deadbolt - 1 1/8 in, handle bolt 1 in

Key Cylinder length - 2 3/8 in

Spindle - 11/32 in

Hoping you're familiar with HIMCO doors and can suggest a replacement lockset.

I had to cut the deadbolt and have been unable to remove the thumbscrew to remove the lockset to assess whether there is flexibility in the mounting hole locations. The thumbscrew just turns freely and seems to have either a very small pin or allen screw that runs all the way through the neck of the thumbscrew. Can you advise how I can remove the old HIMCO lockset to make further assessments of the fit and required mounting?

-Kevin
Thumbnail of the uploaded file named IMG_20220106_123336.jpg
Thumbnail of the uploaded file named IMG_20220106_123431.jpg
Thumbnail of the uploaded file named IMG_20220106_123455.jpg
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:

To remove that key cylinder you need to remove the screw in the face plate at the edge of the door. That screw should be the second one up from the bottom; it should be the one holding the key cylinder in place. Looking at your handle set and comparing the measurements with the 40-049 I'm not sure you will be able to get it to fit your door, unfortunately. I believe we carried something like your handle set at one point, but it was discontinued and is no longer available. Apologies for any inconvenience. 

How to install the Swisco 40-049 Mortise lock set.
How to install the Swisco 40-049 Mortise lock set.
VIDEO
WATCH >
How to flip a storm door mortise latch.
How to flip a storm door mortise latch.
VIDEO
WATCH >
Reply to Thread
Use this form to ask a follow-up question or to share your experience regarding this subject.
(your email address will be kept private and is only used to inform you when a response has been made)
Current wait time is 3-4 business days
We promise that one of our experts will personally get back to you as soon as they are able. Thank you very much for your patience and understanding. If your inquiry is time-sensitive, please feel free to reach us at (888) 991-1929 or at help@swisco.com.