Need replacement handle with spline

A home owner from Upstate NY says:
I need to replace the crank handle on my window. I ordered the 39-114L but it does not include the spline. The part number on the original crank handle appears to be OP03-1509.

Pictures of the crank handle attached.

User submitted photos of a window operator handle.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
Thanks for posting!

Please take a look at the 39-226 OKNA Folding Handle (with hex head spline) - it looks very similar to your original handle.
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