TGB-
Let me join the fray here and echo the "Sigh". I have never seen fractional measurements taken to 128ths in any shop I have worked in!!
Added to this the faulty nomenclature (a "ball bushing" is actually a linear motion device introduced by Thomson Industries) and things get even muddier.
And why the reluctance to post a picture? What's the big secret? Please appreciate that people are here to help! (Though you did mention the pump removal 4 times...I think J-Mech must be from Obtuse, Illinois rather than Oblong, Illinois!)
Speaking of appreciation - a 30 year old Cadet is just getting started!
I'll bet you are a bit of a nightmare to work with!
Hope this helps-
Dave