Pampanito drawings can be found here:
http://www.maritime.org/drawings/index.htmThey load slow because they are big.
Here is what they have:
SS383_Booklet_of_General_Plans.pdf (6.7 meg PDF file)
225lb-air-systems.gif (1.6 MB)
3000lb-air-system.gif (1.2 MB)
600lb-10lb-ballast-tank-blow.gif (732 KB)
ballast-trim-and-drain.gif (1,3 MB)
compartment-and-access.gif (1.6 MB)
conning-tower.gif (2.2 MB)
equipment-in-control-room.gif (844 KB)
escape.gif (892 KB)
flood-and-vent-valves.gif (880 KB)
fresh-water-and-plumbing.gif (1.2 MB)
fuel-oil.gif (1.2 MB)
hydraulic.gif (1.4 MB)
jt-sonar.gif (420 KB)
lead-ballast-stowage.gif (1.1 MB)
moment-diagram.gif (1.2 MB)
oxygen-system.gif (1.4 MB)
radar-foundation.gif (520 KB)
salvage.gif (1 MB)
target-designation.gif (6.3 MB)
ventilation.gif (1.4)