Jalousie Louvered Glass Door Window Crank Assembly

A landlord from Ontario Canada says:
Hi...the handle drive splines are stripped out of the the worm gear on my Jalousie window crank assembly. If the worm gear was available it seems like an easy repair. If not, I would be in the market for replacement assemblies.
I have attached an image of the crank assembly:

the mounting holes are 3 7/8 centre to centre
the link arm measures 3 5/8" in length"
embossed casting inside assembly reads "310 P1"

Do you have a distributor in Ontario Canada?

Thank you!
User submitted photos of a window operator.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
Take a look at our 39-005. I believe this could fit your jalousie window. The link arm looks like yours, though I'm not as sure of the length. Compare the dimensions we show with your sample. We also carry a universal type 39-346 which comes with a few different sized arms, but look at the 39-005 first.
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