Casement window operator and locking mechanism

A quick learner from Maui says:
The homeowner wants to change these items to white. 2 operators and 2 locks. Windows are a milgard brand. Series 3510 casement. Product line is 032-167. There are no part numbers on either the operator or the lock.
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Bob from SWISCO responded:

Thanks for posting. For the sash locks, start by looking at our 38-095, 38-096, 38-138, and 38-139. Go over all the dimensions, particularly the projections of the fork, to see what matches best. Now, your operators look like our 39-091 and 39-092. Keep in mind ROTO has discontinued much of the hardware related to these operators, including the handle cranks and the bracket arms that connect the operator to the window. I apologize for any inconvenience. Let me know if you have any further questions. 

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