Quote Originally Posted by wbute View Post
I thought chassis were issued blank with no number?
I have no idea if the N stood for Nasco. Seems a long shot but it’s possible.
Most the time the chassis were not stamped but are still issued with a NASCO number.
Bodies were supplied with NASCO stamped on a new compliance plate but were typically swapped for the original.

100% the "N" prefix stands for NASCO. This is a very well known fact.