Naming of parts.....
.....I believe that same problem afflicted the Victor tanker conversions; all those complex blended shaped panels were individually "fettled" to fit "that" aircraft and wouldn't fit any other. Must have been bloody frustrating for the guys doing the job - I have a mental picture of an overall-clad chap rootling about in wire cages of panels effin' and blindin' to himself as looked for a particular bit.
The Ancient Mariner