| Acronym | Meaning |
| SEI | SYstem Engineering Groundrule |
| VHF/AM | Very High Frequency Amplitude Modulator |
| LMS | Inventory Management System |
| NM | Nonmetallic |
| RAC | ReliabilitY Action Center |
| P | Pallet (Spacelab) |
| PSP | Payload Specialist Panel |
| MDF | Mating/Demating Facilities |
| LM | Information Memory |
| HW | Hotwire |