tps stripped out??

[turp23]

I pulled the tps off to check it, and the blue ring on the inside looks like its suppose to have two teeth. The teeth look like thay are stripped out, and when you put the tps back on without the screws it does not catch on the peg. Is it suppose to catch?

 

[91 lx hatch]

IT WILL CATCH WHEN THE THROTTLE BLADE IS TURNED IF NOT GET A NEW ONE