| Abbreviation | Definition |
|---|---|
| C'SMTHA2 | Coppersmith (aviation) Second Class |
| CSN | Confederate States Navy |
| CSOM | Chief Sonarman |
| CSOM | ief Sonarman |
| CSOMH | onarman (harbor Defense) Chief Petty Officer |
| CSOMH | Sonarman (harbor Defense) Chief Petty Officer |
| CSP | Chief Specialist |
| CSP | ief Specialist |
| CSPKA | Chief Specialist (ship's Clerk, Acting) |
| CSPKA | ief Specialist (ship's Clerk, Acting) |
| CSR1 | Commissaryman (baker) Petty Officer 1st Class |
| CSR1 | mmissaryman (baker) Petty Officer 1st Class |
| CSR2 | Commissaryman (baker) Petty Officer 2nd Class |
| CSR2 | mmissaryman (baker) Petty Officer 2nd Class |
| CSR3 | Commissaryman (baker) Petty Officer 3rd Class |
| CSR3 | mmissaryman (baker) Petty Officer 3rd Class |
| CSRSA | Commissaryman (baker) Seaman Apprentice |
| CSRSA | mmissaryman (baker) Seaman Apprentice |
| CSRSN | Commissaryman (baker) Seaman |
| CSRSN | mmissaryman (baker) Seaman |