swisco operator

A handy person from Buffalo, Ny says:
April 9, 2017
hello, I am looking at a 39-012 operator. I am measuring 2 and 3/4 inch on center arms, but your description is 2 and 11/16 on center. Am i measuring wrong, and this appears to be the correct operator? I need a few of these, and want to make up one order and get them all in one shot.... thanks.
Dave
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Tom from SWISCO responded:
April 12, 2017
The measurement we show for the link arm is accurate, but as long as the other dimensions are the same as the 39-012 then I think you should be okay. There is often some wiggle room with the linkage, so you can get away with minor differences in size.
RH Superior Window Crank
RH Superior Window Crank
39-012
$20.45
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