Can you identify this windows part

Hello,

I can't be sure without seeing the end fittings that attach the operator arms to the sash, but the 39-312 would be a good place to start. Review the specifications below and let us know if you notice any discrepancies. Thank you! 

Dimensions for 39-312

Alternate view of 39-312

Our department doesn't process orders, but you can place an order directly on our website at your convenience. 

If you're unable to order the 39-312 operator we discussed on our website, you're welcome to give our customer service team a call at (888) 991-1929 to order over the phone.