Window crank with 11" arm

A home owner from Granite Bay, Calif. says:
I don't know who the manufacturer is. The hole pattern matches the 39044 configuration, but the arm is 11" long.

The number "40067" is stamped on the arm. The operator has threaded holes and is mounted from the backside (window frame has through holes).

The channel guide resembles 39504 and is 14" long.

What should be the dimensional relationship between the length of the arm and the length of the channel guide?

I need 2 right and 2 left operators, color black.

Can you please help me find appropriate replacements?
User submbmitted photos of a window operator.
A home owner from Granite Bay, Calif. says:
New information; It looks like the 39142 in black would work perfectly if it was back-mounted .......any chance you have that configuration??

Do the operators come with gaskets included?
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Dave Sr. from SWISCO responded:
I'm afraid we don't have a version of our 39-142 that is back mounted, but you could circumvent that by using our 33-205 press-in nut. You just need to match up the appropriate screws with a 10-24 thread at your local hardware store.
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Donna from SWISCO responded:
Actually, we may have just found a possible replacement that is already back mounted. Please give us a little time as we look into it. Thank you!
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Tom from SWISCO responded:
Thank you for your patience. We are currently working on a possible replacement for these operators and will let you know as they are online and available for you to view!
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Tom from SWISCO responded:
Alright, please see our new 39-022 and 39-023 and see how these can work for you.
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