Latch or thumb lever replacement part

A home owner from Lowell,mi says:
June 16, 2020
Requesting a replacement latch or thumb lever. This part is missing from my handle set. I believe, that the handle set is; imperial us, Cambridge model, brushed nickel. Please advise if you have a replacement available.

Thank you!!
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Bob from SWISCO responded:
June 19, 2020

This looks like a handle set that would use a thumb lever like our 82-106; unfortunately, we do not have this lever in a chrome finish. Keep in mind that this kind of damage could be due to a broken mortise lock, so you may want to try manually throwing the mortise lock with a flathead screwdriver to see if it works. 
Sliding Door Turning Lever
Sliding Door Turning Lever
82-106
$3.95
Sliding Patio Door Handle Set, 3-15/16"
Sliding Patio Door Handle Set, 3-15/16"
82-030
$29.95
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