| Abbreviation | Definition |
|---|---|
| NTP | Network Test Panel |
| NTP | Normal Temperature and Pressure |
| NTP | Notice To Proceed |
| NTR | Nuclear Thermal Rocket |
| NTS | Near Term Schedule |
| NTS | Not to Scale |
| NTSO | NASA Test Support Office |
| NTSP | Nasa Technical Standards Program |
| NTSS | NASA Technical Standards System |
| NTTF | Network Test and Training Facility |
| NTV | NASA Television |
| NUL | Non-GSE (Ground Support Equipment) Utilization List |
| NUV | Non- Ultra Violet |
| NVAFB | North Vandenberg Air Force Base |
| NVB | Navigational Base |
| NVO | National Virtual Observatory |
| NVPOWG | NASA/VAFB Payload Operations Working Group |
| NVR | No Voltage Release |
| NVR | Nonverification Required |
| NVR | Nonvolatile Residue |