A quick learner from Michigan says:
February 1, 2016
I know this part is broken but I don't have the other piece that broke off.
Paul from SWISCO responded:
February 2, 2016
It looks like the pivot bar is intact, but the frame of the sash is damaged. I'm afraid we won't be able to help you with this. Once the frame has broken like this, the only possible solution is to replace the sash itself. To be honest, finding an exact match for your sash will be very difficult, so the next best alternative is either buying and installing a new complete window or to try and repair it the best you can. You may want to contact a local handy person to look at the damage for you and see if they are able to find a way to patch it.
For future reference, when tilting in a sash, you should always raise the sash a few inches or the pivot bar will twist and break the vinyl frame.