NASA Abbreviations and Acronyms

1. EHS
   environmental health services
2. EHSD
   existing hardware/software data base
3. EHT
   Electrical High Tension
4. EHX
   Experiment-Dedicated Heat Exchanger
5. EI
   End Item
6. EI
   Entry Interface
7. EI
   Engineering Instruction
8. EI
   Environmental Impact
9. EIA
   Electrical Industries Association
10. EIA
    Electronic Industries Association
11. EIASN
    End Item Assembly Sequence Number
12. EIAT
    End Item Acceptance Test
13. EIC
    Experimental Intercom
14. EICD
    Experiment Interface Control Document
15. EICIT
    Electrical Interface Continuity/Isolation Test
16. EID
    End Item Documentation
17. EIDP
    End Item Data Package
18. EIFA
    Element Interface Functional Analysis
19. EIK
    Engineering Science Tape Recorder Improvement Kit
20. EIM
    Engineering Information Management

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