(Main list of acronyms) n – (s) Nano N – (s) Newton – Nitrogen – North N0–9 N3F – (i) National Fantasy Fan Federation NA na – (s) Nauruan language (ISO 639-1 code) nA – (s) Nanoampere Na – (s) Sodium (Latin Natrium) NA (s) Namibia (ISO 3166 digram) (i) Narcotics Anonymous National Archives Negative Acknowledge N/A (i) Neurotics Anonymous not available/applicable NAA – (p) N-Acetylaspartate NAAD – (i) North American Air Defense NAAFI (a) Navy, Army and Air Force Institute (UK) (a) No Ambition And Fuckall Interest (RSA army slang) NAAK – (a) Mark I NAAK, Nerve Agent Antidote Kit NAACP – (i) National Association for the Advancement of Colored People ("N double-A CP") NAAQS – (a) National Ambient Air Quality Standards NAAWS – (i) NATO Anti-Air Warfare System NABCI – (a) North American Bird Conservation Initiative ("nab-see") NAC (i/a) National Agency Check U.S. Naval Avionics Center U.S. Navy Advanced Concepts NOAD ADVENDO Combinatie, the full name of the Dutch football club NAC Breda North Atlantic Council Northern Area Command NACA – (i) (U.S.) National Advisory Committee for Aeronautics (1915–1958, became NASA) NACC – (i) North Atlantic Cooperation Council NACISA – (a) NATO Communications and Information Systems Agency NACMA – (p) NATO Air Command and Control System Management Agency NACRA – (a) North America Caribbean Rugby Association (more specifically rugby union), a former name of Rugby Americas North NAD – (s) Namibian dollar (ISO 4217 currency code) NAEC – (i) U.S. Naval Air Engineering Center NAF (a) NATO Architecture Framework (i) Naval Air Facility NAFLD – (i) NonAlcoholic Fatty Liver Disease NAFO – (a) Northwest Atlantic Fisheries Organization NAFERA – (a) Native American Free Exercise of Religion Act NAFTA – (a) North American Free Trade Agreement NAGPRA – (a) Native American Graves Protection and Repatriation Act NAI (i) Named Area of Interest Network Access Identifier NAICS – (a) North American Industry Classification System NAIL – (i) Neurotics Anonymous NAILS – (a) National Airspace Integrated Logistics System NAIRU – (a) Non Accelerating Inflation Rate of Unemployment NAK – (p) Negative Acknowledge NAM – (s) Namibia (ISO 3166 trigram) NAMBLA – (a) North American Man-Boy Love Association NAMRL – (i) Naval Aerospace Medical Research Laboratory NaN – (i) Not A Number (computing) NANP – (i) North American Numbering Plan (telephone) NAO – (i) UK National Audit Office NAPDD – (i) Non-Acquisition Program Definition Document ("nap-dee-dee") NAPS – (a) Navy Acquisition Procedures