| Abbreviation | Definition |
|---|---|
| SFMFA | ipfitter (metal Smith) Fireman Apprentice |
| SFMFA | Shipfitter (metal Smith) Fireman Apprentice |
| SFMFN | ipfitter (metal Smith) Fireman |
| SFMFN | Shipfitter (metal Smith) Fireman |
| SFMFR | ipfitter (metal Smith) Fireman Recruit |
| SFMFR | Shipfitter (metal Smith) Fireman Recruit |
| SFP1 | ipfitter (pipe Fitter) Petty Officer 1st Class |
| SFP1 | Shipfitter (pipe Fitter) Petty Officer 1st Class |
| SFP2 | ipfitter (pipe Fitter) Petty Officer 2nd Class |
| SFP2 | Shipfitter (pipe Fitter) Petty Officer 2nd Class |
| SFP3 | ipfitter (pipe Fitter) Petty Officer 3rd Class |
| SFP3 | Shipfitter (pipe Fitter) Petty Officer 3rd Class |
| SFPFA | ipfitter (pipe Fitter) Fireman Apprentice |
| SFPFA | Shipfitter (pipe Fitter) Fireman Apprentice |
| SFPFN | ipfitter (pipe Fitter) Fireman |
| SFPFN | Shipfitter (pipe Fitter) Fireman |
| SFPFR | ipfitter (pipe Fitter) Fireman Recruit |
| SFPFR | Shipfitter (pipe Fitter) Fireman Recruit |
| SFSR1 | ip Fitter (ship Repair) 1st Class Petty Officer |
| SFSR1 | Ship Fitter (ship Repair) 1st Class Petty Officer |