SWISCO - The Replacement Hardware Authority

Atrium window: casement crank handle?

A distributor from Anywhere says:
I have a customer with atrium windows missing one of these handles. I thought these were Anderson windows at first Glance so I took the info I had: (house built in 1995 and bright brass hardware I was able to cross eliminate & get a handle mailed to me. Unfortunately it was wrong the angle & thickness did not allow full rotation. Anyhow I need to know if I can get this part again the only info I have is its an atrium window built in 1995 bright brass in color thanks I have included a picture.

Chris
User submitted a photo of a window operator.
Profile picture of Dave
Dave from SWISCO responded:
It's hard to say what you have based on this picture alone. Do you know the size of the spline? If not, can I see a picture of the spline on the operator itself (with the handle removed, of course). I would also like to see the inside of the handle. Thanks!
A contractor from Mill Valley CA says:
Hi,I have a customer with the exact same crank handle in the photo that is broken. I am looking for replacements. I believe the spline is 5/16. On the end of the handle it says "The Atrium Window". I have included a few photos.
The handle is so short, that a replacement Truth Hardware handle hits the window sill. The hardware that moves the window out says Truth on it.
Thanks for any help!
User submitted photos of a window operator.
Profile picture of Tom
Tom from SWISCO responded:
Can you confirm that the spline size is 5/16", and not 11/16"? 5/16" is relatively uncommon and not used by Truth, while 11/32" is. Is there any possible way we can see the operator itself? That will be a huge help in finding the right part.
A contractor from Mill Valley, CA says:
I'm going over there today, I'll take some pictures of the operator too.
I'm sure that if you say that the sizing would be 11/32, that it must be. The operator arm definitely says Truth on it.
Profile picture of Tom
Tom from SWISCO responded:
Thanks! Let me know. Also check the spline just in case. Always better to know for sure, in case the original installers did something weird. It's been known to happen!
A contractor from Mill Valley, CA says:
Attached are two more photos. I'm sure that the spline is 11/32.
User submitted photos of a window operator.
Profile picture of Tom
Tom from SWISCO responded:
Thanks! If your spline is 11/32", then I think our 39-114, 39-114L, and 39-205 could all work. We also have the 39-338, which is an 11/32" spline extension. This may help keep the handles further from the sill, which may be a problem looking at your setup.
A contractor from Mill Valley, CA says:
Thank you for the help Tom, I ordered two handles today...
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