NASA Abbreviations and Acronyms

1. FSS
   Functional Simulation System
2. FSS
   flight support system
3. FSS
   Field Spectrometer System
4. FSS
   Fire Suppression System
5. FSS
   Fixed Service Structure
6. FSS
   Fixed Service System
7. FSS
   Foc Autonomous Safing Sequence
8. FSSAS
   Flight Support System Axis System
9. FSSC
   Flight Systems And Servicing Contract
10. FSSE
    Flight Sensor Stimuli Equipment
11. FSSR
    Flight Systems Software Requirements
12. FSSR
    Functional Subsystem Software Requirements
13. FSSRS
    Flight Systems Software Requirements
14. FSSS
    Future Strategic Systems Study
15. FSSS
    Flight Software Support System
16. FSTE
    Factory Special Test Equipment
17. FSTS
    Frequency Standard Test Set
18. FSU
    Freon Servicing Unit
19. FSU
    Frame Synchronization Unit
20. FSV
    Flight Space Vehicle

Last updated: May 6, 2025 — Total entries: 14,020