| Acronym | Meaning |
| OD | Outside Diameter |
| BPV | Bipropellant Valve |
| HWWS | Hyperfiltration Wash Water Recovery System |
| SSTC | Space Shuttle Test Conductor |
| SRO | Supervisor Range Operations |
| SFT | Shaft |
| MAIDS | Management Automated Information Display System |
| SSIBD | Shuttle System Interface Block Diagram |
| FS | Functional Schematic |
| SA | Safing Area |