Can't open/close window anymore

A handy person from Taos NM says:
March 7, 2024
20755. Caradco. One of these cranks is completely no longer working in one room. Handle came off and is stripped anyway. I had to grab the silver piece inside with a vice grips to turn it (doesn't turn freely) and have someone outside pushing in lightly on the window, just to get it closed before we left the office. I'm extremely handy but can't take the risk of disassembling the landlords window just to try to fix it - would rather have a new opener. Can someone help me get whatever replacement part(s) I need so I can fix it myself? Please email. Thank you!!
Thumbnail of the uploaded file named 20755 caradco link arm
Thumbnail of the uploaded file named operator cover and handle
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Emily from SWISCO responded:
March 8, 2024

Thank you for reaching out to us. I'm afraid I can't identify your operator from these photos. However, the 20755 number has been associated with the 39-155 and 39-156 in the past. I recommend you look over the specifications and compare them with yours to see if they match what you're searching for. 

Dimensions for 39-155
Dimensions for 39-155

Dimensions for 39-156
Dimensions for 39-156
Caradco Window Crank, 9-1/2"
Caradco Window Crank, 9-1/2"
39-155
$29.85
Caradco Window Crank, 9-1/2"
Caradco Window Crank, 9-1/2"
39-156
$29.85
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