Trailer window crank

A quick learner from Louisiana says:
I am searching for replacement cranks for a 1940's teardrop trailer. the arm is 4.5 inches and curved a bit. Do you think your product will work here?
User submitted photos of window hardware.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
Take a look at our 39-380 and see if this could replace your current operator. Since yours is so old ours may not be an exact replacement, but it could be worth considering.
A quick learner says:
Works great! Thanks so much!
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