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Governmental

NEXUS

NEXUS Stands For : NASA Engineering Extendible United Software System

NFCS

NFCS Stands For : Nuclear Forces Communications Satellite

NFSP

NFSP Stands For : Nonflight Switch Panel

NFW

NFW Stands For : Nonfuel Wasting

NGM

NGM Stands For : Nitrogen Generation Module | Agana Naval Air Station

NH3

NH3 Stands For : Ammonia

NH4

NH4 Stands For : Hydrazine

NHB

NHB Stands For : NASA Handbook | North Huntington Beach | National Honey Board

NI-SIL

NI-SIL Stands For : Nickel-Silver

NIAT

NIAT Stands For : NASA Integrated Action Team

NiCd

NiCd Stands For : Nickel-Cadmium | National Institute Of Common Diseases

NISN

NISN Stands For : NASA Integrated Services Network

NLA

NLA Stands For : Next Lower Assembly | National Liberation Army

NLG

NLG Stands For : Nose Landing Gear

NMAB

NMAB Stands For : National Materials Advisory Board

NMO

NMO Stands For : Normal Manual Operation

NMOS

NMOS Stands For : Network Mission Operations Support

NMV

NMV Stands For : Nitrogen Manual Valve | Non-Motorized Vehicle

NNI-I

NNI-I Stands For : NASA Standard Initiator-Type I (was SMSI)

NO2

NO2 Stands For : Nitrogen Dioxide

NOCR

NOCR Stands For : Network Operations Control Room

NOMN

NOMN Stands For : News Of Mighty Ninth | NOMination | NOMination

NOMR

NOMR Stands For : Nitrous Oxide Monopropellant Rocket

NORDSAT

NORDSAT Stands For : Scandinavian Countries Broadcast Satellite

NOSL

NOSL Stands For : Night/day Optical Survey of thunderstorm Lightning

NOSP

NOSP Stands For : Network Operations Support Plan

NOZ

NOZ Stands For : Nozzle

NPD

NPD Stands For : NASA Policy Directive | Nominal Percent Defective | National Planning Department

NPDS

NPDS Stands For : Nuclear Particle Detection Subsystem

NPL

NPL Stands For : Normal Power Level | Non-Partisan League | National Priorities List | National Priority List

NPLD

NPLD Stands For : NASA Payloads Logistics Depot

NPN

NPN Stands For : NASA Part Number

NPRV

NPRV Stands For : Nitrogen Pressure Relief Valve

NPSP

NPSP Stands For : Net Positive Static Pressure | Net Positive Suction Pressure

NPU

NPU Stands For : Nitrogen Purge Unit | National Park Unit

NPV

NPV Stands For : Nitrogen Pressure | National Payroll Week | Non- Profit Work

NPW

NPW Stands For : NASA ParaWing | NASA ParaWing | National Park Week | National Police Week | Non- Profit Work

NR/T

NR/T Stands For : Near Real-Time

NRCA

NRCA Stands For : Nonconformance Report and Corrective Action

NRM

NRM Stands For : Nonrecurring Maintenance | National Risk Management | Natural Resources Management

NRZ-L

NRZ-L Stands For : Non Return to Zero Level | Non-Return-to-Zero Level

NSDP

NSDP Stands For : Nascom System Development Plan | National Solidarity Democratic Party

NSGT

NSGT Stands For : NASA Ground Terminal

NSI-I

NSI-I Stands For : NASA Standard Initiator-Type I (was SMSI)

NSLD

NSLD Stands For : NASA Shuttle Logistics Depot

NSR1

NSR1 Stands For : First Coelliptic Maneuver

NSR2

NSR2 Stands For : Second Coelliptic Maneuver

NSSDC

NSSDC Stands For : National Space Science Data Center

NTD

NTD Stands For : NASA Test Director | North Texas Division | National Transit Database | National Transit Database

NTO

NTO Stands For : Nitrogen Tetroxide | New Turing Omnibus

NTOM

NTOM Stands For : Network Technical and Operations Manager

NTSO

NTSO Stands For : NASA Test Support Office

NTTF

NTTF Stands For : Network Test and Training Facility

NTV

NTV Stands For : NASA Television

NUL

NUL Stands For : Non-GSE (Ground Support Equipment) Utilization List | National Urban League

NVAFB

NVAFB Stands For : North Vandenberg Air Force Base

NVO

NVO Stands For : National Virtual Observatory

NVPOWG

NVPOWG Stands For : NASA/VAFB Payload Operations Working Group

NWSA

NWSA Stands For : Nose Wheel Steering Amplifier

NX

NX Stands For : Normal to X-Axis | Nose to X-Axis

NZ

NZ Stands For : Normal Acceleration | Normal Load Factor (g) | Normal to Z-Axis | Nose to Z-Axis | Non- Zone

NZB

NZB Stands For : Non Zero Binary | Nanjing / Zhangjiagang / Shanghai Barge

O&FS

O&FS Stands For : Operations and Flight Support

O&IA

O&IA Stands For : Operations and Integration Agreement

O&P

O&P Stands For : Operations and Procedures

O&R

O&R Stands For : Overhaul and Repair

O-NAV

O-NAV Stands For : Onboard Navigation

O/D

O/D Stands For : On Dock | Outside Diameter | Origin and Destination | Overdrive

O/E

O/E Stands For : Output Electronics

O/ET

O/ET Stands For : Orbiter/External Tank

O/F

O/F Stands For : Oxidizet-to-Fuel Ratio

O/L

O/L Stands For : Overload

O/L-RC

O/L-RC Stands For : Overload-Reverse Current

O/O

O/O Stands For : On Orbit

O/R

O/R Stands For : Outside Radius | Oxygen Relief

O/V

O/V Stands For : Overvoltage

O/V-U/V

O/V-U/V Stands For : Over Voltage/Under Voltage

OAA

OAA Stands For : Orbiter Access Arm | Orbiter Alternate Airfield

OAET

OAET Stands For : Office of Aeronautics

OAFD

OAFD Stands For : Orbiter Air Flight Deck

OAFTO

OAFTO Stands For : Orbiter Atmospheric Flight Test Office

OAL

OAL Stands For : OverAll Level | Office of Administrative Law | Over All Length

OALC

OALC Stands For : Ogden Air Logistics Center

OAMS

OAMS Stands For : Orbital Attitude and Maneuvering System

OANS

OANS Stands For : Orbiter Ancillary

OAO

OAO Stands For : Orbiting Astronomical Observatory | Original Art Only

OAO-3

OAO-3 Stands For : Orbiting Astronomical Observatory 3

OART

OART Stands For : Office of Advanced Research and Technology

OASCB

OASCB Stands For : Orbiter Avionics Software Control Board

OASPL

OASPL Stands For : Overall Sound Pressure Level

OAST

OAST Stands For : Office of Aeronautics and Space Technology (now OAET)

OBCO

OBCO Stands For : Onboard Checkout (Instrumentation)

OBCS

OBCS Stands For : Onboard Checkout Subsystem

OBDH

OBDH Stands For : On Board Data Handling

OBDU

OBDU Stands For : On-Board Diagnostic Unit

OBSS

OBSS Stands For : Orbiter Boom Sensor System

OBV

OBV Stands For : Oxidizer Bleed Valve | On Balance Volume

OCALC

OCALC Stands For : Oklahoma City Air Logistics Center

OCDR

OCDR Stands For : Orbiter Critical Design Review

OCDU

OCDU Stands For : Optics Coupling Data Unit (G&N)

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