| N/A |
Not
Applicable |
| NAC |
NASA
Advisory Committee |
| NAR |
Non-Advocate
Review |
| NASA |
National
Aeronautics and Space Administration |
| NBX |
Nucleate
Boiling Experiment |
| NCMR |
National
Center for Microgravity Research |
| NCRP |
National
Council on Radiation Protection |
| NCSER |
National
Center for Space Exploration Research (formerly NCMR) |
| NDI |
Non-Developmental
Items |
| NEP |
Nuclear
Electric Propulsion |
| NEPA |
National
Environmental Policy Act |
| NESC |
NASA
Engineering and Safety Center |
| NFS |
NASA
FAR Supplement |
| NGIT |
Northrop
Grumman, Information Technologies (MRDOC) |
| NIST |
National
Institute of Standards & Technology |
| NLSA |
Nuclear
Launch Safety Approval |
| NPBX |
Nucleate
Pool Boiling under Microgravity Experiment |
| NPD |
NASA
Policy Directive |
| NPR |
NASA
Procedural Requirements |
| NRA |
NASA
Research Announcement |
| NRC |
National
Research Council |
| NSBRI |
|
| NSRS |
NASA
Safety Reporting System |
| NSSA |
National
Security Space Acquisition |
| NT&D |
Nuclear
Technology and Demonstrations |
| NTR |
Nuclear
Thermal Rocket |
| NWR |
Not
Worth Reporting |
| |
|
| |
|
| |
|
| |
|
