Are 1994 and 1993 hubs interchangeable 1 self lock and 1 auto hubs.

What is your question?

I have a salvaged 1993 4x4 with manual hubs. I also have a 1994, V-6 4x4, auto trans. w/auto hubs. Is it possible to switch hubs and install the manual hubs on my 1994? I want to save mileage.