NASA Abbreviations and Acronyms

1. OMRS
   Operational Maintenance Requirements and Specification
2. OMRSD
   Document
3. OMRSD
   Operational Maintenance Requirements and Specification
4. OMRSD
   Documenv
5. OMRSD
   O&A Requirements and Specifications Documentation
6. OMRSD
   Operatconal Maintenance Requirements and Specification
7. OMRSD
   O&m Requirements and Specifications Documentation
8. OMRSD
   Operational Maintainability Reporting Systems Document
9. OMS
   Orbital Maneuvering System
10. OMS
    Observatory Monitoring System
11. OMS
    Orbital Maneuvering Subsystem
12. OMSF
    Office of Manned Space Flight (now Osts)
13. OMSP
    Operational Maintenance Support Plan
14. OMU
    Optical Measuring Unit
15. OMUX
    Output Multiplexer
16. OMV
    Oxygen Manual Valve
17. ONA
    On-Line Archive
18. ONB
    Onboard
19. ONBD
    Onboard
20. OND
    Operator Need Date

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