| Abbreviation | Definition |
|---|---|
| SF | Sliding Filter |
| SF | Star Field |
| SF | Static Firing |
| SF | Structural Foam |
| SF | Subcontractor Furnished |
| SFA | Space Flight Awareness |
| SFA | Sun Finder Assembly |
| SFACI | Software Flight Article Configuration Inspection |
| SFC | Selection Filter Control |
| SFC | Space Flight Capabilities |
| SFCS | Survival Flight Control System |
| SFD | Stream FeeD |
| SFDS | System Functional Design Specification |
| SFDT | Site Format Dump Tape |
| SFDU | Standard Formatted Data Unit |
| SFEX | Solar Flare X-ray Polarimeter |
| SFI | Solar Flux Index |
| SFL | Secondary Freon Loop |
| SFL | Space Flight Laboratory |
| SFME | Storable Fluid Management Experiment |