National Fluid Power Association (United States) NFT (p) Neurofibrillary tangle (i) No Further Text Non-fungible token NFS (i) Network File System NG ng – (s) Nanogram – Ndonga language (ISO 639-1 code) NG (i) Natural Gas Next Generation (s) Niger (FIPS 10-4 country code) Nigeria (ISO 3166 digram) NGA (i) National Geospatial-Intelligence Agency (s) Nigeria (ISO 3166 trigram) NGH – Northern General Hospital ngl – (i) Not gonna lie NGATS – (i) New Generation Army Targetry System NGIC – (a) National Ground Intelligence Center ("Injick") NGN – (s) Nigerian naira (ISO 4217 currency code) NGO – (i) non-governmental organization NGR – (s) Nigeria (IOC trigram, but not ISO 3166 or FIFA) NGS – (i) Naval Gunfire Support NH nH – (s) Nanohenry NH – (s) New Hampshire (postal symbol) – New Hebrides (ISO 3166 digram; obsolete 1980) – Vanuatu (FIPS 10-4 country code; from New Hebrides) N.H. – (i) Nobilis Homo (noble man) NHANES – (i) National Health and Nutrition Examination Survey NHB – (s) New Hebrides (ISO 3166 trigram; obsolete 1980) NHB – (i) No holds barred NHL – (i) National Hockey League NHO – (i) Næringslivets Hovedorganisasjon (Confederation of Norwegian Enterprises, a Norwegian employers' organisation) NHRA – (i) National Hot Rod Association NHS – (i) National Health Service (UK) NI Ni – (s) Nickel NI (s) Nicaragua (ISO 3166 digram) Nigeria (FIPS 10-4 country code) NIAAA – (i) U.S. National Institute on Alcohol Abuse and Alcoholism NIAID – (a) National Institute of Allergies and Infectious Disease NIAG – (a) NATO Industrial Advisory Group NIAMD – (i) National Institute of Arthritis and Musculoskeletal Diseases NIB – (i) New In Box (Internet auction/trading listings) NIBP – (i) Non-invasive blood pressure monitor NIC (a) Network Interface Card (s) Nicaragua (ISO 3166 trigram) NicA – (i) Nicotine Anonymous NICAP – (a) National Investigations Committee on Aerial Phenomena NICE – (p) UK. National Institute for Health and Clinical Excellence NICHD – National Institute of Child Health and Human Development NICP – (i) National Inventory Control Point NIDDK – (i) National Institute of Diabetes and Digestive and Kidney Diseases NIDRR – (i) National Institute on Disability Research and Rehabilitation NIEHS – (i) National Institute of Environmental Health Sciences NIG – (s) Niger (IOC and FIFA trigram, but not ISO 3166) NIH (i) National Institutes of Health Not Invented Here NIIN – (i) National Item Identification Number NIL (i) Name, image, and likeness (referring to