Side mount pivot bar
A quick learner from Steamboat Springs, CO says:
April 10, 2015
This is a side mount pivot bar, with two mounting holes, 0.8" apart.
Paul from SWISCO responded:
April 13, 2015
Hello! The closest I've been able to find is our 26-402. The holes are 1/2" apart and the depth of the bar is 21/32". Please compare it to yours and see if you can adapt it to work in your window.