For anyone with a similar problem... The part is a NPN 2N3904 transistor. Here is the testing procedure:
NPN TO-92 package (2N3904, 2N4401, 2N5550, 2N5551, 2N6427, MPS-A13, MPS-A42, PN2222A)
Set DMM to diode test mode.
Place the red lead of your DMM on the center leg of the transistor
Probe...