NASA Abbreviations and Acronyms

1. HEX
   Hexadecimal
2. HEXAD
   developmental 6-axis IMU
3. HF
   Human Factor
4. HF
   Hard Failure
5. HF
   Hot Firing
6. HF
   Hydrogen Fill
7. HF
   Hyperfiltration
8. HF/DF
   Hydrogen Fluoride/Deuterium Fluoride
9. HFA
   High-Frequency Accelerometer
10. HFC
    Heat Flow and Convection
11. HFCL
    Hydraulic Flight Control Laboratory
12. HFCT
    Hydraulic Flight Control Test
13. HFCV
    Helium Flow Control Valve
14. HFCW
    Hydrogen Fluoride Continuous Wave
15. HFDP
    Human Factors Development Plan
16. HFDS
    Hydrogen Fluid Distribution System
17. HFE
    High Frequency Executive
18. HFM
    Hollow Fiber Membrane
19. HFMP
    Human Factors Management Plan
20. HFMS
    High Fidelity Mechanical Simulator

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