Certainly a repost but....
 

always usefull:

US Submarine manuals:

1. The Fleet Type Submarine NavPers 16160
2. Submarine Main Propulsion Diesels NavPers 16161
3. Submarine Electrical Installations NavPers 16162
4. Submarine Refrigerating and Air-Conditioning Systems NavPers 16163
5. Submarine Distilling Systems Navpers 16163A
6. Submarine Air Systems NavPers 16164
7. Submarine Periscope Manual NavPers 16165
8. Submarine Trim and Drain Systems NavPers 16166
9. Submarine Sonar Operator's Manual NavPers 16167
10. Submarine Underwater Log Systems NavPers 16168
11. Submarine Hydraulic Systems NavPers 16169
12. Torpedo Tubes, 21-Inch submerged, Mks 32 to 39 O.P. 1085

http://www.maritime.org/fleetsub/

Unless a thread that contains links to this type of resource is a sticky, you're always going to have people miss the information. That said, thanks for the post!

according to the forum modos no more than 8 sticky thread at the same time.

I have this information in one BIG pdf file. Very usefull.