Roto window identification

A quick learner from Kettering, Ohio says:
September 20, 2016
I have windows that uses Roto brand parts. I have been researching the part in question for it is damaged. It is a Roto G2-OSCP-02. Your site refers to a part G2OSCP-01 that works for what I need. If this is the case please let me know, and I will order my replacement right away.
User submitted photos of window hardware.
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Tom from SWISCO responded:
September 22, 2016
Hello! See our 39-248, this looks like an applicable match for your Roto operator base.
Roto Operator Base
Roto Operator Base
39-248
$32.90
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