Sonceboz 6500 R.416 Stepper Motor 1A, 1Ph.  I have a handful of these and they all have a different gear on the end and some of them have a short pigtail so you may have to splice them.  See photos. 

I purchased this from a university. 

Tag: C-G4353, C-P4354, C-LP4356, C-O4355 

Bin: 19H-Cinn

Shelf: 1.1