window crank

A handy person from ohio says:
March 2, 2018
would the 39-280 be the best fit even tho the connecting arm is shorter or is there a better choice?
User submitted photos of a window operator.
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Dave Sr. from SWISCO responded:
March 6, 2018
Looking at your other measurements and mounting hole locations, I also believe the 39-280 would be the closest to yours, except for the length of the link arm. However, I believe the "play" in the linkage and gearing should make up the difference.
RH Awning Operator, 3/8" Hole
RH Awning Operator, 3/8" Hole
39-280
$21.70
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