jalousie window replacement parts

A handy person from Porch says:

I am looking to replace several jalousie window cranks/assembly systems on my porch windows. I have a attached several photographs in an effort to determine what I need. The unit measure 5 7/8" in length. Thank you

User submitted picture of window operator.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
Thanks for posting, Eric, and for the great picture! Please take a look at our 39-025 window crank operator. Do you think this might work for you?
A home owner from connecticut says:
I have a similar crank needing replacement. The housing has similar dimensions as your 39-025, except the drop arm is only 1 and 7/8" in length.
Profile picture of Tom
Tom from SWISCO responded:
How about our 39-251 & 39-252? These look like they might be closer. Let me know if you agree.
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