| Acronym | Meaning |
| OXD | Oxide |
| UFD | User File Directory |
| SLAC | Stanford Linear Accelerator Center |
| SPF | Single Point Failure |
| NOT | SwitchaNot Switchable |
| NIM | NNIM Nuclear Instrumentation Module |
| PSIG | Pounds Per Square Inch Gage |
| BOB | Best On Best |
| POI | Propellant Quantity Indicator |
| SIS | Systems Integration Schedule |