NASA Abbreviations and Acronyms

1. CST
   Crew Systems Trainer (one-g Trainer)
2. ECU
   Electronic Control Unit
3. ECU
   Electrical Control Unit
4. ISRB
   Integrated System Review Board
5. J
   Joule
6. L/C
   Laboratory and Checkout
7. O|M
   Original Equipment Manufacturer
8. O|M
   Operations and Maintenance
9. O|M
   Operations Manager
10. P&L
    Parts List
11. P&L
    Postlanding
12. P&L
    Payload
13. P&L
    Purchased Labor
14. PAS
    Payload Accommodation Studies
15. PAS
    Primary Ascent System
16. Rev
    Review
17. Rev
    Revolution
18. Rev
    Reverse
19. sam
    Small Angle Maneuver
20. sam
    Sampshuttle Automated Mass Properties

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