| Acronym | Meaning |
 | TP | Transition Period (T.P. Preferred) |
| SIA | Shuttle Induced Atmosphere |
| NPN | NASA Part Number |
| COAS | Crewman Optical Alignment Sight |
| TDP | Tracking Data Processor |
| SLI | ERNO Spacelab Integration And Test |
| HRDR | High Rate Digital Recorder |
| PMPL | Preferred Mechanical Parts List |
| PCV | Purge Control Valve |
| HPU | Hydraulic Power Unit |
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