IWC Casement window operators

A quick learner from Capistrano Beach, CA 92624 says:
Right and left operators are needed for:
International Window Corp. 6-0x6-8 LUNAI Door with outswing LH Sidelites Operation. Rod is approx. 9" Screw mounts from outside in the jam groove.
A quick learner from Capistrano Beach, CA 92624 says:
Additional Info:
Truth hardware (rusted badly)???
Maybe Series 23 ????
Rear Mounted
Single Arm
4.75" Between Mounting Screws
9.5" Arm

Pics are of good operator
Thumbnail of the uploaded file named IMG_1694.JPG
Thumbnail of the uploaded file named IMG_1695.JPG
Thumbnail of the uploaded file named IMG_1696.JPG
Profile picture of Tom
Tom from SWISCO responded:

I'm very confident that we can supply a replacement for your operator. Start by looking at our 39-138. Take note of the bearing at the end of the arm, which in the case of the 39-138 is a skinny metal disk. You should make sure yours is the same instead of, say, a thicker nylon wheel. 

Anatomy of a casement window
Anatomy of a casement window
VIDEO
WATCH >
How to identify casement and awning operators
How to identify casement and awning operators
GUIDE
READ >
Reply to Thread
Use this form to ask a follow-up question or to share your experience regarding this subject.
(your email address will be kept private and is only used to inform you when a response has been made)
Current wait time is 3-4 business days
We promise that one of our experts will personally get back to you as soon as they are able. Thank you very much for your patience and understanding. If your inquiry is time-sensitive, please feel free to reach us at (888) 991-1929 or at help@swisco.com.