| Acronym | Meaning |
| OSE | Operating SupPort Equipment |
| FSTE | Factory Special Test Equipment |
| HSD | Hamilton Standard Division |
| DAV | Data Available |
| MDS | Minimum Discernible Signal |
| MDCA | Main Distribution Control Assembly |
| REFURB | Refurbish |
| SCIS | Standard Cubic Inches Per Second |
| RDA | Resident Data Area |
| REFRIG | Refrigerate |