| Acronym | Meaning |
| PNEU | Pneumatic |
| NTDS | Navy Tactical Data Systems (lab) (20f17) |
| DTRC | David Taylor Research Center |
| ADDR | Address |
| SDC | Signal Data Converter |
| MCM | Memory Controller Moduletmtmine Countermeasures |
| JSIL | Jvx System Integration Laboratory |
| QPL | Qualified Parts List |
| MIC | Microphone |
| MTBERA | Mean Time Between Essential Replacement Action |