NASA Abbreviations and Acronyms

1. HGCDTE
   Mercury Cadium Telluride
2. HGDS
   Hazardous Gas Detection System
3. HGM
   Hot-Gas Manifold
4. HGR
   Hangar
5. HGR&SPTFAC
   Hangar and Support Facility
6. HGS
   Hydrogen Gas Saver
7. HGT
   Height
8. HGV
   Hydrogen Gas Valve
9. HGVT
   Horizontal Ground Vibration Test
10. HH
    Hour
11. HH
    handhold
12. HHC
    Hammer Head Crane
13. HHMU
    Hand-Held Maneuvering Unit
14. HI
    Hawaiian Islands
15. HI
    Honeywell, Incorporated
16. HI
    Honeywell
17. HI-VOLT
    High Voltage
18. HIBREL
    High-Brightness Relay
19. HIC
    Hickam Air Force Base
20. HIC
    Hardware Integration Contractor

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