| Acronym | Meaning |
| M | PSS Main Parachute Support Structure |
| HPG | High Pressure Gas |
| DBGMP | Data Bus Isolation Amplifier |
| OUT | Orbiter Utilities Tray |
| DER | Drawing Error Report |
| T | Time |
| OMPR | Operational Maintainability Problem Reporting |
| SLP | ERNO Spacelab Program Office |
| DRD | DetailedRequirementsDocument |
| MG | Milligram |