NASA Abbreviations and Acronyms

1. EMN
   Engineering Management Network
2. EMON
   Exceptionmonitoring
3. EMON
   Exception Monitoring
4. EMP
   Equipment Mounting Plate
5. EMPGS
   Electrical/Mechanical Power Generation Subsystem
6. EMPGS
   Electromechanical Power Generation Subsystem
7. EMR
   Engine Mixture Ratio
8. EMRL
   Equipment Maintenance Requirements List
9. EMRLD
   excimer moderate Raman-shifted laser device
10. EMS
    Entry Monitor Subsystem
11. EMS
    Entry Monitoring System
12. EMSP
    Enhanced Modular Signal Processor
13. EMSS
    Electromagnetic Servoactuator System
14. EMT
    Electrical Metallic Tubing
15. EMT
    Electro-mechanical Test
16. EMU
    Extravehicular Mobility Unit
17. EMU
    Extended Memory Unit
18. EMU-TV
    Extravehicular Mobility Unit - Television
19. EMWA
    Engineering Minor Work Authorization
20. EN
    Enable

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