[Ford-ferguson] NAA Ford Steering Box

[Jim Rigel]

Hi,
I have a 1953 NAA Ford Tractor.  I have the steering box apart, and
have got new bearings for the steering shaft (The tapered barrel
shaped roller bearings).  At the top of the shaft under the the
steering wheel it has a spring and what may have been a thrust
bearing.  It is badly rusted and does not seem to come off the shaft
so shaft will not come out of the upper box cover and tube.  Does
anyone know where I can get a replacement for this part?
-Jim