| Acronym | Meaning |
| FBS | Firefighters Breathing System |
| NOSP | Network Operations Support Plan |
| FREQ | CONV Frequency Converter |
| P&I | Performance And Interface (Specification) |
| NIB | NNIB Noninterference Basis |
| PREF | Preference |
| LRU | Line Replaceable Unit |
| FP | Function Path |
| CFES | Continuous Flow Electrophoresis System |
| SR | Standard Repair |