| Acronym | Meaning |
| DIS | Documentation Index System |
| TT | Terminal Timing |
| SL-SSS | Spacelab Subsystem(s) Segment |
| COFI | Checkout And Fault Isolation (on Board) |
| EBS | Emergency Breathing Subsystem |
| DPP | Design Review |
| CLDST | Closed Loop Dynamic Stability Test |
| H | MHinge Mount |
| SCC | Safety Control Center |
| OFM | Original Equipment Manufacturer |