| Acronym | Meaning |
| OVLD | Overload |
| ERBS | Earth Radiation Budget Satellite |
| NM | Nonmetallic |
| MS | Millisecond |
| PFCF | Payload Flight Control Facility |
| CRM | Chemical Release Module |
| LDIU | Launch Data Interface Unit |
| MMES | MSFC Mated Element Systems |
| DASA | Dual Aerosurface Servo Amplifier |
| FCPS | Fuel Cell Power System (Subsystem) |