Window crank replacement

A handy person from Minnesota says:
September 3, 2023
I need a replacement crank mechanism for a smaller Crestline window. The name listed on the crank mechanism is Truth. There is a patent number 4,840.075. On the backside of the long arm that connects to the window, there is a stamped number 40574. From the inside of the house, the mechanism cranks the window open from the left to the right.
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Bob from SWISCO responded:
September 3, 2023

Thanks for writing in. This looks like our 39-216; compare the diagram below to see if you agree. For a new cover and handle, see our 39-107 and 39-114L.

Dimensions for 39-216
Dimensions for 39-216
Single Arm Window Crank
Single Arm Window Crank
39-216
$40.39
Crank Handle, 11/32"
Crank Handle, 11/32"
39-114L
$4.42
Truth Hardware Operator Cover
Truth Hardware Operator Cover
39-107
$3.30
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