Honeywell MSTN Switch Terminal Damper Actuators AOBD Replacement Motor by Honeywell

Is this compatible with the trol a temp mst motor. seems both are 24 volt, 6 watt and honeywell bought trol a temp so i am guess this is ok

does it come with the mounting screws

Has anyone had success repairing unit without replacement? I've cleaned the feedback contacts with contact cleaner & things are working properly now.

How is this different from MST model? Are they interchangeable?