NASA Abbreviations and Acronyms

1. PSA
   Provisions Stowage Assembly
2. PSA
   Powerservoassembly
3. PSA
   Power Servo Am Pl If Ier
4. PSA
   Pre/post Sleep Activity
5. PSAC
   Presidential Scientific Advisory Committee
6. PSAT
   Predicted Site Acquisition Table
7. PSC
   Parallel Switch Control
8. PSC
   Program Support Communications
9. PSC
   Policy and Strategic Communications
10. PSCN
    Proposed Specification Change Notice
11. PSCN
    Preliminary Specification Change Notice
12. PSD
    Power Spectral Density
13. PSD
    Program Support Document
14. PSD
    Power Spectraldensity
15. PSD
    Rplanning and Scheduling Document Record
16. PSDP
    Payload Station Distribution Panel
17. PSE
    Program Systems Engineering
18. PSE
    Programmable Serializer Equipment
19. PSE
    Payload Service Equipment
20. PSE
    Payload Servicing Equipment

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