That's not a '65-type Thompson pump, it looks like a later ('70s) Federal item. If we were talking about an original-type Thompson pump, I'd say that looks like the dished pulley for cars with A/C; cars without A/C had a flatter pulley.
'73 factory parts cattledog confirms that just like in '65, the pulley for the Federal pump used with A/C has a different part number than the without A/C.
Pulley part numbers are different in '65 than in '73, but that doesn't tell us anything about yes/no on interchange. You're probably going to have to do a careful visual/measurement match-up to get the pulley you need. You might check with Steer & Gear or Firm Feel to see if they might have the pulley you need.