The object has a variety of resistors, transistors, diodes, and capacitors. It has an edge connector on the top and a single latch on the bottom with the label "PHD.".
Manufacturer
AMPEX
Identifying Numbers
Other number
3115715-20 g3
Etched in solder on the solder side of the object
Other number
6968230
Written on a piece of masking tape attached to the object