Narragansett (AD)
Narrator (GROV)
Narrow (AD)
Net Assimilation Rate (AD)
No Adverse Reaction - Therapy term (CTAA)
No Apparent Rate (AD)
Air Continental, Inc. - ICAO designator (FAAC)
Iguta - Language code (ETLW)
Nagase Analbuminemia Rat
Nara - Japan - Seismograph station code, US Geological Survey (SEIS)
Narcotic (ROG)
Nare - Colombia - Airport symbol (OAG)
Narration - Films, television, etc.
Narrow (AAG)
Nasal Airway Resistance - Medicine
National Alliance for Reconstruction (Trinidad and Tobago) - Political party (PSAP)
National Amniocentesis Registry - Medicine (EDAA)
National Archives and Records Service, Washington, DC - OCLC symbol (OCLC)
National Asbestos Registry - Environmental Protection Agency (GFGA)
National Association for the Retarded (DMAA)
National Association of Realtors (EA)
National Association of Rocketry (EA)
Naval Air Reserve
Naval Auxiliary Reserve
Naval Research and Development
Navy Ammunition Reclassification
Nelson Aldrich Rockefeller (AD)
Neo Aristero Revma - Greece - Political party (ECED)
Net Advertising Revenue - Television - British
Net Assimilation Rate - Botany
New American Review (SAUS)
New Arrival Information - Travel industry (TRID)
No Action - or Answer Required (NVT)
No Adverse Reaction - Medicine (MELL)
No Answer Required (SAUS)
No Apparent Reason (SAUS)
Noise-Adding Radiometer
Nominal Acceleration Radar (SAUS)
Non-Addressable Register (SAUS)
Non-Advocacy Review (ACAE)
Non-Advocate Review (SAUS)
Nordic Association for Rehabilitation - Denmark (EAIO)
Nordiska Akademiker Radet - Nordic Academic Council - NAC - Defunct (EA)
North American Review - A publication (BRI)
North American Rockwell Corp. - Later, Rockwell International Corp. (MCD)
North American Route - Aviation
North American Royalties (AD)
North Atlantic Rigid Corp., Portsmouth, RI - Manufacturer code for watercraft hull identification number (USCG)
North Australia Railway
Northern Alberta Railways Co. - AAR code
Nose Alone Reference - Aviation (MCD)
Not According to Routine
Not at Risk (MELL)
Notice of Ammunition Reclassification - Navy (NG)
Notification of Ammunition Reclassification - Military
Nuclear Acoustic Resonance
Nuclear Androgen Receptor - Endocrinology
Nuclear Assessment Routine (MCD)
Nuclei Armati Rivoluzionari - Armed Revolutionary Nuclei - Italian (PD)
Nucleic Acids Research - A publication
Numerical Analysis Research (MCD)
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