| Acronym | Meaning |
| ACC | American Communications Corp |
| OFIBL | Oil Filter Impending Bypass Left |
| HYDR | Hydraulic |
| PP | Program Package Udi-s-21273b |
| DTE | Data Transfer Equipment |
| NUWC | Naval Underwater Warfare Center (formerly Triccsma) |
| DSM | Discrete And Serial Module |
| TRU | Transformer Rectifier Unit |
| FADLIM | Fadec On Limit |
| C4I | Command, Control Communications, Computers And Intelligence |