30350 is stamped on the short piece. House is 70s, not sure what brand of windows. Casement windows with wood frame.

A home owner from Blaine, Minnesota says:
May 15, 2020
Hi! I have 4 casement windows that no longer crank open. The gear thing seems to be stripped; the handle just spins. Please if you can help figure out a replacement, that would be so great. Thank you!!
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Tom from SWISCO responded:
May 19, 2020

It definitely sounds like you need a new operator. See our 39-013 and 39-014 to start out and carefully compare our dimensions to yours to confirm that everything lines up.
Casement Window Operator, 13-1/2" Arm
Casement Window Operator, 13-1/2" Arm
39-013
$20.70
Casement Window Operator, 13-1/2" Arm
Casement Window Operator, 13-1/2" Arm
39-014
$20.70
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