Confirm Replacement Roto Operator

A home owner from Covington,KY says:
May 24, 2023
Hello,

I have several older Silver Line casement windows using a male 5/16 hex handle (like product 39-226). The handles constantly slip out of the operator, which I take that part is stripped. As there doesn't seem to be an available replacement operator can you confirm what a suitable replacement would be? Photo attached. It looks like the original operator is attached vertically with simple screws which are ~4 inches apart on center. The base is attached with two screws on each side and one in the center (5 total). The screw holes appear to match product 39-330.

Thanks in advance!
Thumbnail of the uploaded file named IMG_4323.jpeg
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Casey from SWISCO responded:
May 26, 2023

Hello,

The operator shown in your photos looks like a match to the 39-329 and 39-330, depending on how the dimensions below compare to yours. Not that these replacements are used with the 39-232 folding handle. This does not install using a hex like the 39-226 but it is possible that your operator spline may have disconnected from the base and was still attached to the handle. Take a look and let us know if you have any other questions.

Alternate image for 39-329
Alternate image for 39-329
RH Inverted Split Arm ROTO Operator, Vinyl App
RH Inverted Split Arm ROTO Operator, Vinyl App
39-330
$34.78
LH Inverted Split Arm ROTO Operator, Vinyl App
LH Inverted Split Arm ROTO Operator, Vinyl App
39-329
$34.78
Roto Folding Crank Handle, 11/32"
Roto Folding Crank Handle, 11/32"
39-232
$10.80
Roto Sash Bracket
Roto Sash Bracket
39-553
$9.85
Roto Sash Bracket
Roto Sash Bracket
39-554
$9.85
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