| Acronym | Meaning |
| PSA | PowerServoAssembly |
| SPDB | Subsystem Power Distribution BC)x |
| ND | Neodymium |
| MFD | Malfunction Detection |
| NPDS | Nuclear Particle Detection Subsystem |
| FHP | Fuel High Pressure |
| CCS | Contamination Control System |
| PCCP | Preliminary Contract Change ProPosal |
| LTG | Lighting |
| SCCH | Standard Cubic Centimeters-per Hour |