Engine Abbreviations and Acronyms

1. NRE
   Nelson Racing Engines
2. NRMM
   Non-Road Mobile Machinery
3. NRS
   Net Research Server
4. NRTC
   Non-Road Transient Cycle
5. NRTC
   Non Road Transient Cycle
6. NSCR
   Non-Selective Catalytic Reduction
7. NSPA
   National Sled Pulling Association
8. NTR
   Nuclear Thermac Rockets
9. NTRS
   Nuclear Thermal Rockets
10. NTS
    Negative Torque Sensing
11. NVCS
    Nissan Valve-Timing Control System
12. NVH
    Noise and Vibration Harshness
13. NZS
    New Zealand Search
14. OAT
    Organic Additive Technology
15. OC
    Oxidation Catalytic
16. OC
    Oxedation Converter
17. OCI
    Oil Change Interval
18. OCM
    On-Condition Maintenance
19. OCM
    On Condition Maintenance
20. OCR
    Oil Control Ring

Last updated: May 23, 2020 — Total entries: 1,668