Storm window latch

A home owner from MN says:
April 29, 2013
This is the latch to open a storm window on a 1920s house. I've no idea how old the latch specifically is but I haven't found any like it online yet. I'm curious is there's a place to buy a latch like this or if there is a latch I can substitute for this one. (The latches I've found so far - that don't have the little peg on it - seem way too big to use as a substitute. The opening in the frame is only 7/8".) Thank you.
User submitted a photo of a window latch.
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Paul from SWISCO responded:
May 1, 2013
Thank you for posting. Could I see a few pictures of this removed from the storm sash, if possible? I'm having a hard time identifying it based on this image.
A home owner says:
May 1, 2013
Sure. I wasn't able to get it out of the frame as there is some (on purpose?) bent metal in the way. Maybe these latches can't be replaced?

I've added a number of pictures so you can at least see it better in the frame. The rod (which slides back and forth in the frame) is circular. I tried to get a close-up for you. The top view shows the spring on the right side and then the bent piece of metal in the middle that keeps me from removing the latch and then the peg on the left side. (There's another piece of bent metal behind the peg, corralling it in on both sides.)

Let me know if there's another picture I can take to make it more clear. Thank you so much for helping.
User submitted photos of a window latch.
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Tom from SWISCO responded:
May 10, 2013
Thank you for your patience in this matter. We are currently working on a possible replacement for these latches, and will post here again as soon as we have something online and available for you to look at.
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Tom from SWISCO responded:
May 13, 2013
Alright, take a look at our new 91-179, Slide Bolt, and see if you think this will be a match for your hardware.
A home owner from MN says:
May 13, 2013
That does look like it could match. Thank you.
Slide Bolt Assembly
Slide Bolt Assembly
91-179
$4.35
How to install a window screen latch
How to install a window screen latch
VIDEO
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