Acronym Listing N

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E |

F |

G |

H |

I |

J |

K |

L |

M |

N |

O |

P |

Q |

R |

S |

T |

U |

V |

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X |

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NAS — NC — NEA — NIST — NOS — NSA

ACRONYM	DEFINITION	CONTRIBUTOR
n	Nano (A prefix meaning multiplied by 10^-9)	Langley
n	Neutron	CASI
N	Newton	CASI
N/A	Not Applicable	CASI
NAA	Neutron Activation Analysis	CASI
NAC	NASA Advisory Committee (LaRC)	Langley
NAC	NASA Advisory Council	Goddard
NAC	National Agency Check	Goddard
NACA	National Advisory Committee for Aeronautics	CASI
NACC	NASA ADP Consolidation Center	Goddard
NACSIM	National Communications Security Instruction Memorandum	Goddard
NAD	Nadir Aperture Door	Goddard
NADC-AC	Aeronautical Computer Lab., Naval Air Development Center, Johnsville, PA	CASI
NADC-AI	Aeronautical Instruments Lab., Naval Air Development Center, Johnsville, PA	CASI
NADC-AR	Aviation Armament Lab., Naval Air Development Center, Johnsville, PA	CASI
NADC-AW	Anti-Submarine Warfare Lab., Naval Air Development Center, Johnsville, PA	CASI
NADC-ED	Engineering Development Lab., Naval Air Development Center, Johnsville, PA	CASI
NADC-EL	Aeronautical Electronic and Electrical Lab., Naval Air Development Center, Johnsville, PA	CASI
NAD-CI	Naval Ammunition Depot, Crane, IN	CASI
NADC-MA	Aviation Medical Acceleration Lab., Naval Air Development Center, Johnsville, PA	CASI
NADW	North Atlantic Deep Water	Goddard
NAE	National Academy of Engineering	Goddard
NAEC	National Aeronautical Establishment (Canada) Naval Air Engineering Center, Philadelphia, PA	CASI
NAEC-ACEL Aerospace	Crew Equipment Lab., Naval Air Engineering Center, Philadelphia, PA	CASI
NAEC-AEL	Aeronautical Engine Lab., Naval Air Engineering Center, Philadelphia, PA	CASI
NAEC-AML	Aeronautical Materials Lab., Naval Air Engineering Center, Philadelphia, PA	CASI
NAEC-ASL	Aeronautical Structures Lab., Naval Air Engineering Center, Philadelphia, PA	CASI
NAECON	National Aerospace and Electronics Conference (IEEE)	Langley
NAEL-ENG	Air Engineering Lab., Naval Air Engineering Center, Philadelphia, PA	CASI
NAF	Naval Avionics Facility, Indianapolis, IN	CASI
NAFC	North Atlantic Flight Corridor	CASI
NAFEC	National Aviation Facilities Experimental Center	CASI
NAFEO	National Association for Equal Opportunity	Goddard
NAFI	Nonappropriated Fund Instrumentalities	Langley
NAGS	National Association of Government Secretaries	Langley
NAH	Nearfield Acoustic Holography	CASI
NAIC	National Aeronomy and Ionosphere Center	CASI
NAIC	National Air Intelligence Center	CASI
NAIC	Northeast Artificial Intelligence Consortium	CASI
NAIF	Navigation Ancillary Information Facility	CASI
NAIS	NASA Acquisition Internet Service	CASI
NAIS	NASA Acquisition Internet System	Langley
NAMRU-2	Naval Medical Research Unit No. 2, Taipei, Taiwan	CASI
NAO	North Atlantic Oscillation	Goddard
NAPA	National Academy of Public Administration	Goddard
NAPALM	National ADP Program for Army Material Command Logistics Management	CASI
NAR	Non-Advocacy Review	Goddard
NAR	National Aerospace Standards	CASI
NAR	North American Route	CASI
NAR	Numerical Analysis Research	CASI
NARA	National Archives and Records Administration	CASI
NARE	North Atlantic Regional Experiment	CASI
NARSTO	North American Research Strategy for Troposheric Ozone	Goddard
NARSTO	North Research Strategy for Tropospheric Ozone	Langley
NARTS	Naval Air Rocket Test Station, Lake Denmark, Dover, NJ	CASI
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NAS	National Aerodynamic Simulator	Langley
NAS	Numerical Aerodynamic Simulation	Goddard
NAS	NASA Advanced Supercomputing	CASI
NAS	National Academy of Sciences	CASI
NAS	National Airspace System	CASI
NAS Stage A	National Airspace System "Stage A" automation	CASI
NASA	National Aeronautics and Space Administration	Goddard
NASA CP	NASA Conference Proceedings	CASI
NASA CR	NASA Contractor Report	CASI
NASA EP	NASA Educational Publication	CASI
NASA HQ	NASA Headquarters	Goddard
NASA RP	NASA Reference Publication	CASI
NASA SP	NASA Special Publication	CASI
NASA TM	NASA Technical Memorandum	CASI
NASA TP	NASA Technical Publication	CASI
NASA TT	NASA Technical Translation	CASI
NASA-CIAM	NASA-Central Institute Aviation Motors	Goddard
NASARR	North American Search and Ranging Radar	CASI
NASCAP	NASA Charging Analyzer Program	CASI
NASCAP/GEO	NASA Charging Analyzer Program/Geosynchronous Orbit	Goddard
Nascom	NASA Communications	Goddard
NASCOM	Naval Air Systems Command	CASI
NASCOP	NASA Communications Operating Procedures	Goddard
NASDA	National Space Development Agency of Japan	Goddard
NASF	Numerical Aerodynamic Simulation Facility	Langley
NASIS	NASA Aerospace Safety Information System	CASI
NASL	Naval Applied Science Lab., Brooklyn, NY	CASI
NASM	National Air and Space Museum	Goddard
NASP	National Aero-Space Plane	Langley
NASP	National Aerospace Plane	CASI
NASTRAN	NASA Structural Analysis Program	Goddard
NASTRAN	NASA Structural Analysis (Computer program)	CASI
NATC	Naval Air Test Center, Patuxent, MD	CASI
NATO	North Atlantic Treaty Organization	CASI
NATTS-ATL	Aeronautical Turbine Lab., Naval Air Turbine Test Station, Trenton, NJ	CASI
NAV	Navigation	CASI
NAVDAC	Naval Data Automation Command	CASI
NAVDOCKS	Bureau of Yards and Docks, Navy Dept., Washington, DC	CASI
NAVMED	Bureau of Medicine and Surgery, Navy Dept., Washington, DC	CASI
NAVPERS	Bureau of Naval Personnel, Washington, DC	CASI
NAVSEA	Naval Avionics Support Equipment Appraisal	CASI
NAVSPASUR	Naval Space Surveillance System, Dahlgren, VA	CASI
NAVWEP	Bureau of Naval Weapons, Navy Dept., Washington, DC	CASI
NB	Noisy Bus	Goddard
NB	Neutral Buoyancy	CASI
NBAA	National Business Aircraft Association	Langley
NBC	New Business Committee	Goddard
NBF	Neutral Buoyancy Facility	Goddard
NBII	National Biological Information Infrastructure	CASI
NBIOME	Northern Biosphere Observation and Modeling Experiment	Goddard
NBL	Neutral Buoyancy Laboratory	Goddard
NBR	Acrylonitriles Butadiene Rubber	CASI
NBS	National Bureau of Standards, Washington, DC (Now, National Institute for Standards and Technology NIST)	CASI
NBS	Neutral Buoyancy Simulation	CASI
NBS	Neutral Buoyancy Simulator (or Simulation)	Goddard
NBTL	Naval Boiler and Turbine Lab., Philadelphia, PA	CASI
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NC	National Climatic Data Center	CASI
NC	No Change	Langley
NC	Normally Closed	Goddard
NC	Numerical Control	Goddard
NC	Convective Heat Transfer Coefficient	CASI
NC	Nitrocellulose	CASI
NC	Noise Criteria (curve)	CASI
NCAR	National Center for Atmospheric Research	CASI
NCC	NASA Class Code	Goddard
NCC	National Combustor Code	Goddard
NCC	Network Control Center	Goddard
NCC	NICMOS Cryo-Cooler	Goddard
NCCDS	Network Control Center Data System	Goddard
NCDC	National Climatic Data Center [NOAA] (also NESDICLNCDC)	Goddard
NCDS	NASA Climate Data System	CASI
NCEL	Naval Civil Engineering Lab., Port Hueneme, CA	CASI
NCEP	National Center for Environmental Prediction (NOAA)	Goddard
NCEP	National Centers for Environmental Prediction	CASI
NCGA	National Computer Graphics Association	Goddard
NCLIS	National Commission on Libraries and Information Science	CASI
NCLS	NICMOS Cooling Loop Simulator	Goddard
NCMA	National Contract Management Association	Langley
NCMR	Nonconforming Material Report	Goddard
NCO	National Coordination Office (an interagency group that coordinates the HPCC Program; hosted in part by NLM)	CASI
NCO	National Coordination Office (for HPCCP)	Langley
NCP	Network Control Project (DSN)	Goddard
NCP	Network Control Program	CASI
NCR	Non-Compliance Report	Goddard
NCR	Non-Conformance Report	Goddard
NCRCAS	Non-Conformance Reporting and Corrective Action System	Goddard
NCRE	Naval Construction Research Establishment, (Great Britain)	CASI
NCRS	Nonconformance Report Supplement	Goddard
NCS	National Communications System	Goddard
NCS	NICMOS Cooling System	Goddard
NCSA	National Center for Supercomputing Applications	Langley
NCT	Nanosat Constellation Trailblazer	Goddard
NCTAMS	Naval Computer and Telecommunications Area Master Station	Goddard
NCTM	National Council of Teachers in Mathematics	Goddard
NCTSI	National Council of Technical Service Industries	CASI
NCX	Nucleon Charge Exchange	CASI
ND	Network Directorate (formerly Code 800)	Goddard
ND	Networks Division (formerly Code 530)	Goddard
ND	Neutral Density	Langley
NDADS	NSSDC Data Archive and Dissemination Service	CASI
NDB	Non-Directional Beacon (Radio)	CASI
NDBO	NOAA Data Buoy Office (National Oceanic and Atmospheric Administration)	CASI
NDC	National Defense Council (Netherlands)	CASI
NDE	Nondestructive Evaluation	CASI
NDE	Nondestructive Examination	CASI
NDI	Nondestructive Inspection	CASI
NDOSC	Network for the Detection of Stratospheric Change	CASI
NDPF	NASA Data Processing Facility	CASI
NDRE	Norwegian Defense Research Establishment	CASI
NDSC	Network for the Detection of Stratospheric Change	Langley
NDSS	NASA Document Storage System	CASI
NDT	Normal Dealy Time	CASI
NDT	Nil Ductility Transition; Nondestructive Test	CASI
NDVI	Normalized Difference Vegetation Index	CASI
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NEA	Noise Equivalent Angle	Goddard
NEA	Non-Explosive Actuator	Goddard
NEAR	Near Earth Asteroid Rendezvous	CASI
NEAT	NASA Employee Attendance Tracking	Langley
NEB	North Equatorial Belt	CASI
NEBA	NASA Employees Benefit Association	Langley
NEC	Network Event Cancellation	Goddard
NECAP	NASA Energy Cost Analysis (Computer) Program	CASI
NEDU-NWP	Navy Experimental Diving Unit, Naval Weapons Plant, Washington, DC	CASI
NEEP	Nuclear Electronic Effects Program	CASI
NEMS	NASA Equipment Management System	Goddard
NEMS	Nimbus-E Microwave Spectrometer	CASI
NEP	Network Entry Point	Goddard
NEP	Noise Equivalent Power	Goddard
NEPP	NASA Electronic Parts and Packaging	Langley
NEPRF	Naval Environmental Prediction Research Facility	CASI
NERC	National Environmental Research Center	Langley
NERC	National Environmental Research Council	Goddard
NERVA	Nuclear Engine for Rocket Vehicle Applications	CASI
NES	Network Event Schedule	Goddard
NESDIS	National Environmental Satellite, Data, and Information Service	CASI
NESS	NF 1018 Electronic Submission System	Goddard
NESS	National Environmental Satellite Service	CASI
NEVADA	Net Energy Verification and Determination Analyzer	Goddard
NEW MOONS	NASA Evaluation with Models Of Optimized Nuclear Spacecraft	CASI
NEWMAST	NASA Educational Workshops for Mathematics and Science Teachers	CASI
NEXIS	Nuclear Electric Xenon Ion System	JPL
NEXRAD	NEXt generation weather RADar	CASI
NEXT	NASA Exploration Team	CASI
NEXT	Near End Crosstalk	CASI
NF	Near Field	Goddard
NFE	NCC Front End	Goddard
NFS	NASA FAR Supplement	Goddard
NFS	Network File System	Langley
NFSD	NASA FAR Supplement Directive	Goddard
NFT	Narrow Field Telescope	Goddard
NG	Nitroglycerine	CASI
NGC	New Galactic Catalog	Goddard
NGC	New General Catalog	Goddard
NGDC	National Geophysical Data Center [NOAA]	Goddard
NGI	Next Generation Internet	Goddard
NGIC	National Geodetic Information Center	CASI
NGIMS	Neutral Gas and Ion Mass Spectrometer	Goddard
NGSP	National Geodetic Satellite Program	CASI
NGST	Next Generation Space Telescope	CASI
NGT	Not Greater Than	Goddard
NGT	NASA Ground Terminal	CASI
NH	New Hampshire	CASI
NH	Northern Hemisphere	CASI
NHA	Next Higher Assembly	Goddard
NHB	NASA Handbook	Goddard
NHCC	NASA Headquarters Computing Center	Langley
NHGS	New Horizons Governor's School	Langley
NI DAQ	National Instruments Data Acquisition	Goddard
NIAC	NASA Institute for Advanced Concepts	CASI
NIAM	Nijssen Information Analysis Methodology	Goddard
NIAT	NASA’s Integrated Action Team	Goddard
NICG	National Interagency Coordinating Group	Langley
NICI	NASA International Collection of Information	CASI
NICMOS	Near Infrared Camera and Multi-Object Spectrometer	Goddard
NIDDESC	Navy/Industry Digital Data Exchange Standards Committee	Goddard
NIFC	Northern Iceland Finance Corporation	CASI
NIH	National Institute for Health	Langley
NIH	National Institutes of Health	CASI
NII	National Information Infrastructure	CASI
NIII	National Information Infrastructure Initiative	CASI
NIIIP	National Industrial Information Infrastructure Protocols	Goddard
NIMA	National Imagery and Mapping Agency	CASI
NIMPHE	Hydrazine Engine	CASI
NIMS	Near Infrared Mapping Spectrometer	CASI
NIMS	Nuclear Instrumentation Modular System	CASI
NIPDE	National Initiative for Product Data Exchange	Goddard
NIPMIS	NASA Industrial Property Management Information System	Goddard
NIPPS	NASA Integrated Payroll/Personnel Systems	Langley
NIPS	New Input Process System	Langley
NIR	Near Infrared	CASI
NIR	Non-Ionizing Radiation	CASI
NIRCAM	Near Infrared Camera	Goddard
NIRSPEC	Keck II Telescope Near Infrared Echelle Spectrometer	Goddard
NIRSPEC	Near Infrared Spectrometer	CASI
NISN	NASA Integrated Services Network	Goddard
NISO	National Information Standards Organization	CASI
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NIST	National Institute of Science and Technology	Goddard
NIST	National Institute of Standards and Technology	Goddard
NIST	National Institute for Standards and Technology (Previously, National Bureau of Standards NBS)	CASI
NISTIR	National Institute of Standards and Technology Internal Report	Goddard
NIVR	Netherlands Agency for Aerospace Programmes	Goddard
NIX	NASA Image eXchange	CASI
NIXT	Normal Incidence X-ray Telescope	Goddard
NLF	Natural Laminar Flow	CASI
NLG	Nose Landing Gear (Space Shuttle)	CASI
NLM	National Library of Medicine	CASI
NLR	Narrow-Line Region	Goddard
NLR	National Aerospace Laboratory (Netherlands)	Goddard
NLS	New Launch System	Langley
NLT	No Later Than	Goddard
NLT	Not Later Than	CASI
NLTE	Non-Local Thermodynamic Equilibrium	Langley
NM	Network Management	Goddard
NM	New Millennium	Goddard
nm	Nanometer	CASI
NM	Nitronium Perchlorate	CASI
NMC	NASA Mission Cost	Goddard
NMC	National Meteorological Center	CASI
NMC	Naval Missile Center, Point Mugu, CA	CASI
NMD	NASA Master Directory	Langley
NMDL	Navy Mine Defense Lab., Panama City, FL	CASI
NMFRL	Naval Medical Field Research Lab., Camp Lejeune, NC	CASI
NMFS	National Marine Fisheries Service	CASI
NMH	Nuclear Microprobe for Hydrogen	CASI
NMHC	Non-methane Hydrocarbons	CASI
NMI	NASA Management Instructions	CASI
NMM	Normal Maneuver Mode	CASI
NMNRU	Navy Medical Neuropsychiatric Research Unit, San Diego, CA	CASI
NMO	NASA Management Office, JPL	Goddard
NMOS	Network and Mission Operations Support (former NASA contract)	Goddard
NMOS	Used Interchangeably for MNOS (metalnitrideoxide semiconductors)	CASI
NMP	New Millenium Program	Goddard
NMP	N-Methyl-Pyrrolidone	CASI
NMR	Nuclear Magnetic Resonance	CASI
NMRI	Naval Medical Research Inst., Bethesda, MD	CASI
NMRL	Naval Medical Research Lab., New London, CT	CASI
NNS	Norfolk Naval Shipyard, Portsmouth, VA	CASI
NNSG	Nascom Network Scheduling Group	Goddard
NO	Normally Open	Goddard
NOA	New Obligation Authority	Goddard
NOA	New Obligational Authority	Langley
NOAA	National Oceanic and Atmospheric Administration	CASI
NOAA 2	ITOSD	CASI
NOAA 3	ITOSF	CASI
NOAO	National Optical Astronomy Observatories	CASI
NOBL	New Outer Blanket Layer	Goddard
NOCC	Network Operations Control Center (DSN)	Goddard
NODC	National Oceanographic Data Center [NOAA]	Goddard
NODIS	NASA On-Line Directive Information System	Langley
NODIS	NASA Online Directive System	Goddard
NODIS II	NASA On-Line Directives Information System II	Langley
NODS	NASA Ocean Data System	CASI
NOE	Nap-of-theEarth	CASI
NOHRSC	National Operational Hydrologic Remote Sensing Center	Goddard
NOL	Naval Ordnance Lab., White Oak, MD	CASI
NOLAN	Nascom Operational LAN	Goddard
NOLC	Naval Ordnance Lab., Corona, CA	CASI
NOMSS	National Operational Meteorological Satellite System	CASI
NONA	NASA’s Organization Name Authority	CASI
NOO	Naval Oceanographic Office, Washington, DC (Inactive)	CASI
NOP	No Operation	Goddard
NOPEX	Northern Hemisphere Climate-Processes Land-Surface Experiment	Goddard
NORAD	North American Defense Command	Langley
NORAD	North American Air Defense	CASI
NORPAX	North Pacific Experiment	CASI
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NOS	Not on Schedule	Langley
NOS	National Ocean Service	CASI
NOS	National Ocean Survey (Previously Coast & Geodetic Survey, now NOAA)	CASI
NOS	Network Operation System	CASI
NOSC	Naval Ocean Systems Center	Langley
NOSL	Night/Day Optical Survey of Thunderstorm Lightning	CASI
NOSP	Network Operations Support Plan	Goddard
NOSS	National Oceanic Satellite System	CASI
NOSS	Navy Ocean Sensing System	CASI
NOTAM	Notice to Airmen	CASI
NOTIS	Northwestern Online Total Integrated System	Langley
NOTS	Naval Ordinance Test Station, China Lake, CA	CASI
NOVA	NASA Open Volumes on Aerospace	CASI
NOZE	National Ozone Experiment	Langley
NP	NASA Publication	CASI
NPAS	Network Planning and Analysis System	Goddard
NPB	Navigation Processor Board	CASI
NPC	NASA Policy Charter	Goddard
NPD	NASA Policy Directive	CASI
NPD	NASA Program Directives (was NMI)	Langley
NPDES	National Pollution Discharge Elimination System	Goddard
NPDMS	NASA Property Disposal Management System	Goddard
NPE	NOBL Protective Enclosure	Goddard
NPG	NASA Procedures and Guidelines	CASI
NPIC	Naval Photographic Interpretation Center, Washington, DC	CASI
NPL	National Physical Lab. (Great Britain)	CASI
NPM	Normal Pointing Mode	CASI
NPMS	NASA Procurement Management System	Goddard
NPO	Pasadena Office, NASA	CASI
NPOESS	National Polar Orbiting Environmental Satellite System	Langley
NPOESS	National Polar-Orbiting Operational Environmental Satellite System	Goddard
NPOP	NASA Polar Orbiting Platform	Langley
NPP	NPOESS Preparatory Project	Goddard
NPP	Naval Propellant Plant, Indian Head, MD	CASI
NPP	Net Primary Production	CASI
NPPS	NASA Personnel and Payroll System	Langley
NPPS	NASA Personnel Payroll System	Goddard
NPR	National Performance Review	Goddard
NPR	National Public Radio	Goddard
NPRD	Network Program Requirements Document	Goddard
NPS	Non-Personal Services	Langley
NPSN	NAS (Numerical Aerodynamic Simulation) Processing System Network	CASI
NPSS	Numerical Propulsion System Simulation	Goddard
NPSS	NASA Packet Switching System	CASI
NPT	National PDES Testbed	Goddard
NPT	National Pipe Thread	Langley
NPV	Net Present Value (Accounting)	Langley
NQA	National Quality Assurance	Goddard
NR	Not Required	Langley
NR	North American Rockwell	CASI
NRA	NASA Research Announcement	CASI
NRA	Nuclear Reaction Analysis	CASI
NRA	Nuclear Resonant Absorption	CASI
NRAO	National Radio Astronomy Observatory	CASI
NRC	National Research Council, Washington, DC	CASI
NRCC/REE	National Research Council of Canada Div. of Radio and Electrical Engineering	CASI
NRCCME	National Research Council of Canada Div. of Mechanical Engineering	CASI
NRCMAC	Mine Advisory Committee, National Research Council, Washington, DC	CASI
NRDL	Naval Radiological Defense Lab., San Francisco, CA	CASI
NRE	Naval Research Establishment (Canada)	CASI
NREN	National Research Education Network	Langley
NREN	National Research and Education Network	CASI
NRIS	NASA Research Information Service	CASI
NRKM	Non-Radar Keyboard Multiplexer	CASI
NRL	Naval Research Laboratory	Goddard
NRL	Naval Research Lab., Washington, DC	CASI
NRLC	National Research Labs. (Ottawa, Canada)	CASI
NRM	Natural Remanence Magnetization	CASI
NRO	National Radio Observatory	Goddard
NRO	National Reconnaissance Office	CASI
NROSS	Navy Remote Ocean Sensing System	CASI
NRRS	NASA Records Retention Schedules	Langley
NRT	Near Real Time (data)	Goddard
NRT	Network Readiness Test	Goddard
NRTS	Network Resources Training Sites	Goddard
NRTS	Nuclear Reactor Test Site	CASI
NRZ	Non Return to Zero	Goddard
NRZI	Non-Return to Zero Invert on Ones	Goddard
NRZ-L	Non Return to Zero-Level	Goddard
NRZ-M	Non Return to Zero-Mark	Goddard
NRZ-S	Non Return to Zero-Space	Goddard
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NSA	National Security Agency	Goddard
NSAM	Naval School of Aviation Medicine, Pensacola, FL.	CASI
NSB	Naval Submarine Base, New London, CT	CASI
NSBF	National Scientific Balloon Facility	Goddard
NSC	National Security Council	Langley
NSCAT	NASA Scatterometer	CASI
NSCORTs	NASA Specialized Centers of Research and Training	CASI
NSCP	National Space Communications Program	Goddard
NSDSSO	NASA Science Data Systems Standards Office	CASI
NSESCC	NASA Space and Earth Sciences Computing Center	CASI
NSF	National Science Foundation, Washington, DC	CASI
NSI	National Space Institute	Goddard
NSI	NASA Standard Initiator	CASI
NSIA	National Security Industrial Association	CASI
NSIDC	National Snow and Ice Data Center	CASI
NSMO	NASTRAN Systems Management Office	CASI
NSMS	NASA Supply Management System	Goddard
NSN	National Stock Number (GSA)	Goddard
NSN	NASA Space Network	CASI
NSO	National Solar Observatory	Goddard
NSOM	Nearfield Scanning Optical Microscopy	CASI
NSP	NASA Support Plan	Goddard
NSP	Network Support Plan	Goddard
NSP	Network Signal Processor (Space Shuttle)	CASI
NSPAR	Nonstandard Part Approval Request	Langley
NSPAR	Non-Standard Parts Approval Request	Goddard
NSPL	NASA Standard Parts List	Goddard
NSR	NISN Service Request	Goddard
NSRDS	National Standard Reference Data System	CASI
NSROC	NASA Sounding Rocket Operations	Goddard
NSRS	NASA Safety Reporting System	Goddard
NSS	NASA Safety Standard	CASI
NSS	National Space Society	Langley
NSSC	NASA Standard Spacecraft Computer	Goddard
NSSC-1	NASA Standard Spacecraft Computer, Model-1	Goddard
NSSDC	National Space Science Data Center	CASI
NST	Navigation Technology Satellite	CASI
NSTA	National Science Teachers Association	CASI
NSTC	NASA Safety Training Center	Goddard
NSTC	National Science and Technology Council	Goddard
NSTIP	NASA Scientific and Technical Information Program	Goddard
NSTL	National Space Technology Laboratories (NASA)	Langley
NSTS	National Space Transportation System	CASI
NSVFP	NIAC Student Visions of the Future Program	CASI
NSWC	Naval Surface Warfare Center	Goddard
NTA	National Technical Association	Goddard
NTC	NASA Teleconferencing Center	Goddard
NTDC	Naval Training Device Center, Port Washington, NY	CASI
NTDS	NASA Training and Development System	Goddard
NTE	Not To Exceed	Goddard
NTE	NASA Technology Experiments	CASI
NTF	National Transonic Facility (NASA)	Langley
NTIA	National Telecommunications and Information Administration	CASI
NTIS	National Technical Information Service	CASI
NTO	Nitrogen Tetraoxide	CASI
NTP	Notice To Proceed	Goddard
NTPIO	NASA Technology Planning & Integration Office	Goddard
NTRS	NASA Technical Report Server	Langley
NTSB	National Transportation and Safety Board	Goddard
NTSB	National Transportation Safety Board	CASI
NTTC	National Technology Transfer Center	CASI
NTU	Nethlometric Turbidity Units	CASI
NTZ	No Transgression Zone	CASI
NUOS	Naval Underwater Ordnance Station, Newport, RI	CASI
NURBS	Non-Uniform Rational B-Splines	CASI
NURE	National Uranium Research Evaluation (program)	CASI
NUSCAT	New Airborne Scatterometer	CASI
NUV	Near Ultra Violet	Goddard
NUVI	Near Ultraviolet lmager	Goddard
NUVO	Near Ultraviolet and Optical (channel)	Goddard
NVM	Non-Volatile Memory	Goddard
NVR	Non-Volatile Residue	Goddard
NWEF	Naval Weapons Evaluation Facility, Albuquerque, NM	CASI
NWF	Numerical Weather Forecasting	Langley
NWL	Naval Weapons Lab., Dahlgren, VA	CASI
NWP	Numerical Weather Prediction	Langley
NWPW	Naval Weapons Plant, Washington, DC	CASI
NWRF	Naval Weather Research Facility, Norfolk, VA	CASI
NWS	National Weather Service	CASI
NWS	Nose-Wheel Steering (Space Shuttle)	CASI
NYNSML	New York Naval Shipyard Material Lab, Brooklyn, NY	CASI
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