| Acronym | Meaning |
| RESVR | Reservoir |
| SOV | Shut-off Valve |
| HPR | Hydrogen Pressure Regulator |
| SIT | Software Integrated Test |
| CSDT | COMPuter Software Data Tapes |
| CFES | Continuous Flow Electrophoresis System |
| W/Y | Wrist Yaw |
| SPFP | Single Point Failure Potential |
| SDPC | Shuttle Data Processing Complex |
| MTEE | Electrical Maintenance Test Equipment |