| Description | 6-digit code or code range |
|---|
| N (5-nitro-2-furfurylidene) -1 aminohydantoin preparations, bulk | 300310-90 |
| N, n,-di-(1 methyl heptyl) p-phenylenediamine | 292151 |
| N, n-diphenyl-p-phenylenediamine | 292151 |
| N-butyl acetate | 291533 |
| N-cyclohexyl-2-benzothiazolesulfenamide | 293100 |
| N-decyl bromide | 290330 |
| N-decyl iodide | 290330 |
| N-dodecyl iodide | 290330 |
| N-heptyl bromide | 290330 |
| N-hexadecane | 290110 |
| N-hexadecyl iodide | 290330 |
| N-hexyl bromide | 290330 |
| N-hexyl iodide | 290330 |
| N-hexyl nicotinate preparations, bulk | 300310-90 |
| N-methyl n-methallythio urea preparations, bulk | 300310-90 |
| N-methyl-3-piperidyl-diphenylglycolate methobromide preparations, bulk | 300310-90 |
| N-nonyl bromide | 290330 |
| N-nonyl iodide | 290330 |
| N-octadecyl iodide | 290330 |
| N-octyl bromide | 290330 |
| N-octyl iodide | 290330 |
| N-octyl-n-decyl phthalate | 291739 |
| N-p-pyridyl (ethylenediamine maleate) preparations, bulk | 300310-90 |
| N-propyl acetate | 291539 |
| N-propyl alcohol | 290512 |
| N-propyl bromide | 290330 |
| N-propyl iodide | 290330 |
| N-tert-butyl-2-benzothiazolesulfonamide | 293100 |
| Nail oils | 330430 |
| Nailers, pneumatic, hand-held | 846719 |
| Nails, aluminum | 761610 |
| Nails, animal, powder and waste | 050790 |
| Nails, animal, unworked | 050790 |
| Nails, bone, orthopedic | 902110 |
| Nails, bone, surgical | 902110 |
| Nails, copper | 741510 |
| Nails, iron or steel | 731700 |
| Nails, nickel | 750890 |
| Nails, zinc | 790700 |
| Naled preparations | 380810 |
| Name plates, base metal | 831000 |
| Name plates, pressed wood | 442190 |
| Name-plates illuminated | 940560 |
| Naphazoline preparations, bulk | 300310-90 |
| Naphthalene, >50% by weight naphthalene | 270740 |
| Naphthalene, chemically defined compound (crystallization point > 79.4 c (174.9f)) | 290290 |
| Naphthalene, chlorodinitro | 290490 |
| Naphthalene, dinitro | 290420 |
| Naphthalene, nitro | 290420 |
| Naphthalene, tetranitro (all isomeric forms) | 290420 |
| Naphthalenedisulfonic acid | 290490 |
| Naphthalenedisulfonic acid, dihydroxy | 290490 |
| Naphthalenedisulfonic acid, nitro | 290490 |
| Naphthalenesulfonic acid | 290490 |
| Naphthalenesulfonic acid, nitro | 290490 |
| Naphthas (except motor fuel) | 271011 |
| Naphthenic acids, their salts and esters (excluding water-soluble naphthenates of heading 3402 and salt of heading 2843-2846) | 382420 |
| Naphthol, (alpha and beta isomeric forms) | 290715 |
| Naphthol, beta | 290715 |
| Naphtholchlorodisulfonic acid | 290890 |
| Naphtholdisulfonic acid | 290820 |
| Naphtholsulfonic acid | 290820 |
| Naphtholtrisulfonic acid | 290820 |
| Naphthoquinone | 291469 |
| Naphthosultam-2, 4-disulphonic acid | 293499 |
| Napkin rings, wooden | 441900 |
| Napkins, cotton | 630251 |
| Napkins, of textile fibers | 630259 |
| Napkins, table, knitted or crocheted | 630240 |
| Napped fabrics, cotton, bleached, dyed, of yarns of different colors, weighing over 100 g/m2 (2.95 oz/syd) | 520831-42 |
| Napped fabrics, cotton, mixed mainly with manmade fibers, bleached, dyed, yarns of different colors or prints | 521021-59 |
| Napped fabrics, cotton, unbleached, weighing over 200 g/m2 (5.90 oz/syd) | 520911 |
| Napper waste, cotton, soft | 520299 |
| Narcissus bulbs, dormant | 060110 |
| Narcissus bulbs, in growth or in flower | 060120 |
| Narrow fabrics, glass | 701940 |
| Nasturtium seed for sowing | 120930 |
| Natabec | 300450 |
| Natural barium carbonate | 251120 |
| Natural barium sulphate | 251110 |
| Natural drugs, of animal origin, advanced, n.e.s.o.i. | 300110-90 |
| Natural gas (including lp) engines | 840790 |
| Natural gas liquids (lpg) | 271111 |
| Natural gas, in gaseous state | 271121 |
| Natural gas, liquefied (lng) | 271111 |
| Natural pearls, not strung or set | 710110 |
| Natural rubber containing fillers or other rubber-processing chemicals | 400510-99 |
| Natural rubber latex | 400110 |
| Natural rubber, n.e.s.o.i. | 400129 |
| Natural rubbers | 400110-30 |
| Naught duck, cotton, unbleached, plain weave, mixed mainly with manmade fiber, weighing more than 200 g/m2 (5.90 oz/syd). | 521111 |
| Nautical navigation instruments, n.e.s.o.i. (also see specific type) | 901480 |
| Navigational aid parts, radio type | 852990 |
| Navigational instruments, except depth-sounding | 901480 |
| Navy beans, dried, shelled | 071333 |
| Navy pitch | 380700 |
| Neat's-foot oil and similar oils | 150600 |
| Neck chains, jewelry, of precious metals | 711311-20 |
| Neck chains, other than precious metals, cultured pearls | 711610 |
| Neck ruffling, ornamental | 580890 |
| Necklaces, of precious metal, and precious stones | 711311-20 |
| Necklaces, semiprecious stones (except set in precious metal) | 711620 |
| Neckpieces, fur, except mink | 430310 |
| Neckties, of textile materials, knit | 611720 |
| Neckties, of textile materials, not knit | 621510-90 |
| Nectarines, canned | 200870 |
| Nectarines, dried | 081340 |
| Nectarines, fresh | 080930 |
| Nectarines, prepared or preserved, n.e.s.o.i. | 200870 |
| Nectarines, uncooked or cooked by steaming or boiling in water, frozen | 081190 |
| Needle holders, medical | 901839 |
| Needle roller bearings | 848240 |
| Needlecraft sets, consisting of fabric and yarn, put up in packing for retail sale | 630800 |
| Needleloom felt | 560210 |
| Needlepunched floor coverings, of textile fibers | 570500 |
| Needles for needle bearings | 848291 |
| Needles for sewing machines | 845230 |
| Needles for textile machines, except sewing machines | 844851 |
| Needles, hand sewing, aluminum | 761699 |
| Needles, hand sewing, iron or steel | 731910 |
| Needles, hypodermic | 901832 |
| Needles, knitting, crochet, etc., aluminum | 761699 |
| Needles, knitting, iron or steel | 731910 |
| Needles, medical, except hypodermic | 901839 |
| Needles, netting, iron or steel | 731910 |
| Needles, surgical | 901839 |
| Needles, suture | 901839 |
| Neipertec-99 | 284440 |
| Nematocides | 380890 |
| Nematocides, preparations | 380810 |
| Nembutal, dosage | 300410-90 |
| Neo-fat d242 | 380300 |
| Neo-iopax | 300630 |
| Neo-penil | 300410 |
| Neo-silvol, bulk | 300310-90 |
| Neo-synephrine sulfathiazole, bulk | 300310-90 |
| Neo-synephrine sulfathiazole, dosage | 300410-90 |
| Neo-synephrine thenfadil solution and jelly, bulk | 300310-90 |
| Neoarsphenamine, dosage | 300410-90 |
| Neocaine preparations, bulk | 300310-90 |
| Neocinchophen preparations, bulk | 300310-90 |
| Neocinchophen, dosage | 300410-90 |
| Neodymium oxide | 284690 |
| Neohetramine preparations, bulk | 300310-90 |
| Neohetramine, dosage | 300410-90 |
| Neohydrin preparations, bulk | 300310-90 |
| Neohydrin, dosage | 300490 |
| Neoloid | 300490 |
| Neomycin and derivaties, dosage | 300410-90 |
| Neomycin and derivaties, preparations, bulk | 300310-90 |
| Neomycin and derivatives, bulk, except preparations | 294110-90 |
| Neomycin sulfate preparations, bulk | 300310-90 |
| Neomycin sulfate, dosage | 300410-90 |
| Neon | 280429 |
| Neon-20 | 284590 |
| Neoprene gloves, except medical | 401519 |
| Neoprontosil preparations, bulk | 300310-90 |
| Neoprontosil, bulk, except preparations | 293500 |
| Neostigmine bromide, bulk, except preparatins | 293911-99 |
| Neostigmine methy sulfate preparations, bulk | 300310-90 |
| Neostigmine methylsulfate, bulk, except preparations | 293911-99 |
| Neostigmine preparations, bulk | 300310-90 |
| Neothylline preparations, bulk | 300310-90 |
| Nepheline syenite, natural | 252930 |
| Nepheline, crude, crushed, ground or pulverized | 252930 |
| Nephelometers | 902750 |
| Nephoscopes | 901580 |
| Nephoscopes (meteorological) | 901580 |
| Neps, cotton | 520299 |
| Ner-vita | 300450-90 |
| Neroli oil | 330129 |
| Nerve hooks, dental | 901849 |
| Net curtains, of cotton, knitted or crocheted | 630311 |
| Net drapes, of textile materials, knitted or crocheted | 630319 |
| Net fabric, of textile fibers, except wool, cotton and manmade, circular knit | 600690 |
| Net, tulles and other net fabrics, not including woven, knitted, or crocheted fabrics | 580410 |
| Nets for laundry, of manmade textile fibers | 560819 |
| Nets, butterfly | 950790 |
| Nets, fish landing | 950790 |
| Nets, tennis (lawn) | 950651 |
| Netting, aluminum wire | 761691 |
| Netting, copper wire | 741490 |
| Netting, fish, of cotton fibers | 560890 |
| Netting, iron or steel wire, not welded or woven | 731441-49 |
| Netting, iron or steel wire, welded | 731420-50 |
| Netting, nickel wire | 750810 |
| Netting, of twine, manmade fibers | 560819 |
| Netting, zinc wire | 790700 |
| Nettle fiber, raw, unspun | 530310 |
| Nettle waste | 530390 |
| Network transformers | 850431 |
| Neurophosphates, (preparations), bulk | 300310-90 |
| Neurophosphates, dosage | 300450-90 |
| Neutral spirits | 220710 |
| Neutralizer solution for permanent waves | 330520 |
| Neutroleum alpha | 330290 |
| New Zealand hemp fiber, raw, unspun | 530590 |
| New Zealand hemp waste | 530590 |
| Newspaper discards used for wrapping | 470730 |
| Newspaper supplements printed by gravure process, unbound | 490290 |
| Newspaper vending machines | 847689 |
| Newspaper, bound otherwise than in paper | 490199 |
| Newspaper, unbound, appearing at least four times a week | 490210 |
| Newspapers appearing less than four times a week, unbound | 490290 |
| Newspapers, overissue and folded (waste paper) | 470730 |
| Newsprint, in rolls or sheets | 480100 |
| Newsprint, waste (bales and cull rolls) and scrap | 470730 |
| Niacin | 293629 |
| Niacin preparations, bulk | 300390 |
| Niacin, bulk, except preparations | 293629 |
| Niacin, dosage | 300450 |
| Niacinamide | 293629 |
| Niacinamide and niacin | 293629 |
| Niacinamide and niacin, bulk | 293629 |
| Niacinamide, bulk | 293629 |
| Nialaide, dosage | 300410-90 |
| Nialamide preparations, bulk | 300310-90 |
| Niamid preparations, bulk | 300310-90 |
| Niamid, dosage | 300410-90 |
| Niaouli oil | 330129 |
| Nibbling machines, metal forming | 846241-49 |
| Nicarbazin preparations, bulk | 300310-90 |
| Niccolite ore | 260400 |
| Nickel acetate | 291529 |
| Nickel alloys, unwrought forms | 750220 |
| Nickel ammonium sulfate | 284290 |
| Nickel carbonate | 283699 |
| Nickel chloride | 282739 |
| Nickel compound catalysts | 381511 |
| Nickel fluoroborate | 282690 |
| Nickel formate | 291512 |
| Nickel hydroxide | 282540 |
| Nickel mattes | 750110 |
| Nickel nitrate | 283429 |
| Nickel ores and concentrates | 260400 |
| Nickel oxide | 282540 |
| Nickel oxide powder | 750120 |
| Nickel oxide sinters | 750120 |
| Nickel oxide, green | 750120 |
| Nickel peroxide | 282540 |
| Nickel phosphate | 283529 |
| Nickel silver (___ SEE ___ copper and copper alloys) | SEE description for refernce to different commodity |
| Nickel silver bars, rods, profiles | 740722 |
| Nickel silver pipe and tube fittings | 741220 |
| Nickel silver plates, sheets, strip | 740940 |
| Nickel silver wire, noninsulated | 740822 |
| Nickel silver, unwrought forms | 740323 |
| Nickel sulfate | 283324 |
| Nickel sulfate, off-grade or waste | 283324 |
| Nickel waste and scrap | 750300 |
| Nickel, expanded metal | 750890 |
| Nickel, intermediate products | 750120 |
| Nickel, primary forms | 750210-20 |
| Nickel, unwrought | 750210-20 |
| Nickeliferous pyrrhotite | 260400 |
| Nicomorphine | 293911 |
| Nicotine (beta-pyridyl-alpha-n-methylpyrrolidine | 293999 |
| Nicotine sulfate preparations, bulk, medicinal | 300310-90 |
| Nicotine sulfate, bulk, except preparations, medicinal | 293911-99 |
| Nicotinic acid diethylamide preparations, bulk | 300390 |
| Nicotinic acid diethylamide, bulk, except preparations | 293629 |
| Nicotinic acid diethylamide, dosage | 300450 |
| Nicotinic acid preparations, bulk | 300390 |
| Nicotinic acid, bulk, except preparations | 293629 |
| Nicotinic acid, dosage | 300450 |
| Niger seeds | 120799 |
| Niger-seed oil, hydrogenated, not further prepared | 151620 |
| Niger-seed oil, not chemically modified | 151590 |
| Night gowns, women's and girls', of manmade fibers, knit | 610832 |
| Night gowns, women's and girls', of manmade fibers, not knit | 620822 |
| Night gowns, women's and girls', of other textile fibers, except cotton and manmade, knit | 610839 |
| Night shirts, women's and girls', of manmade fibers, not knit | 620822 |
| Nightgowns, women's and girls', of cotton, knit | 610831 |
| Nightgowns, women's and girls', of cotton, not knit | 620821 |
| Nightgowns, women's and girls', of other textile fibers, not knit | 620829 |
| Nightgowns, women's and girls', of wool, not knit | 620829 |
| Nightshirts, men's and boys', of cotton, knit | 610721 |
| Nightshirts, men's and boys', of cotton, not knit | 620721 |
| Nightshirts, men's and boys', of manmade fibers, knit | 610722 |
| Nightshirts, men's and boys', of manmade fibers, not knit | 620722 |
| Nightshirts, men's and boys', of other textile fibers, knit | 610729 |
| Nightshirts, men's and boys', of other textile fibers, not knit | 620729 |
| Nightshirts, men's and boys', of wool, not knit | 620729 |
| Nightshirts, women's and girls', of cotton, knit | 610831 |
| Nightshirts, women's and girls', of cotton, not knit | 620821 |
| Nightshirts, women's and girls', of manmade fibers, knit | 610832 |
| Nightshirts, women's and girls', of other textile fibers, except cotton and manmade, knit | 610839 |
| Nightshirts, women's and girls', of other textile fibers, not knit | 620829 |
| Nightshirts, women's and girls', of wool, not knit | 620829 |
| Nightwear, men's and boys', of cotton, not knit | 620721 |
| Nightwear, men's and boys', of manmade fibers, knit | 610722 |
| Nightwear, men's and boys', of other textile fibers, not knit | 620729 |
| Nightwear, men's and boys', of wool, not knit | 620729 |
| Nightwear, women's and girls', of cotton, not knit | 620821 |
| Nightwear, women's and girls', of manmade fibers, knit | 610832 |
| Nightwear, women's and girls', of manmade fibers, not knit | 620822 |
| Nightwear, women's and girls', of other textile fibers, except cotton and manmade, knit | 610839 |
| Nightwear, women's and girls', of other textile fibers, not knit | 620829 |
| Nightwear, women's and girls', of wool, not knit | 620829 |
| Nikethamide preparations, bulk | 300310-90 |
| Nile gum | 130120 |
| Nilite | 360200 |
| Nimetazepam | 293391 |
| Ninon, silk, woven | 580390 |
| Niobium (columbium), unwrought | 811292 |
| Niobium ore (see also columbium) | 261590 |
| Niobium powders | 811292 |
| Niobium waste and scrap | 811292 |
| Niobium, n.e.s.o.i. | 811292 |
| Nippers, hand tools (not manicure and pedicure), base metal | 820320 |
| Nipples (nursing) and pacifiers, rubber or plastics | 392690 |
| Nipples, nursing of plastics | 392690 |
| Nipples, pipe, aluminum | 760900 |
| Nipples, pipe, cast iron, malleable | 730719 |
| Nipples, pipe, cast iron, non-malleable | 730711 |
| Nipples, pipe, copper | 741210-20 |
| Nipples, pipe, lead | 780500 |
| Nipples, pipe, nickel | 750720 |
| Nipples, pipe, stainless steel | 730722 |
| Niran preparations | 380810 |
| Nisentil hydrochloride preparations, bulk | 300310-90 |
| Nisentil hydrochloride, dosage | 300410-90 |
| Niter cake | 283329 |
| Nithiazide preparations, bulk | 300310-90 |
| Nitramex | 360200 |
| Nitramon primers | 360200 |
| Nitrate of soad, arcadian, as a fertilizer, except natural | 310250 |
| Nitrate of soda, natural | 310250 |
| Nitrazepam | 293391 |
| Nitric acid | 280800 |
| Nitric and sulfuric acids (mixed) | 281119 |
| Nitric oxide | 281129 |
| Nitrile-function compounds, n.e.s.o.i. | 292990 |
| Nitroaniline | 292142 |
| Nitroanisole (all isomeric forms) | 290930 |
| Nitroanthraquinone | 291470 |
| Nitroanthraquinonesulfonic acid | 290490 |
| Nitrobenzaldehyde | 291300 |
| Nitrobenzene (all isomeric forms) | 290420 |
| Nitrobenzenedisulfonic acid | 290490 |
| Nitrobenzoylchloride | 291631 |
| Nitrobiphenyl (all isomeric forms) | 290420 |
| Nitrochlorobenzene | 290490 |
| Nitrochloroform | 290347-49 |
| Nitrofurantoin preparations, bulk | 300310-90 |
| Nitrofurazone preparations, bulk | 300310-90 |
| Nitrogen | 280430 |
| Nitrogen fertilizer s0lution | 310280 |
| Nitrogen oxychloride | 281210 |
| Nitroglycerin as an explosive | 360200 |
| Nitroglycerin, dosage, medicinal | 300410-90 |
| Nitrohydroxyphenylarsonic acid | 293100 |
| Nitromethane | 290420 |
| Nitronaphthalene | 290420 |
| Nitronaphthalenedisulfonic acid | 290490 |
| Nitronaphthalensulfonic acid | 290490 |
| Nitrophenol (all isomeric forms) | 290890 |
| Nitrophenyl-2-amino-1, 3-propanediol | 290629 |
| Nitrophenylenediamine | 292141 |
| Nitrophosphates 12-12-12 (arcadian), except for retail sale | 310520 |
| Nitrophosphates 12-12-12 (arcadian), no containers for retail sale | 310520 |
| Nitrosobenzene | 290420 |
| Nitrosodimethylaniline | 292142 |
| Nitrosotoluene | 290490 |
| Nitrotoluene | 290420 |
| Nitrotoluenesulphonic acid | 290490 |
| Nitrous oxide | 281129 |
| Nitrox 80, preparations | 380810 |
| Nitroxylene | 290420 |
| Nizin preparations, bulk | 300310-90 |
| No. 1 bundles, steel, nonalloy, scrap | 720441 |
| No. 1 heavy melting, steel, nonalloy, scrap | 720449 |
| No. 2 bundles, steel, nonalloy, scrap | 720441 |
| No. 2 heavy melting, steel, nonalloy, scrap | 720449 |
| Nockerln, based on potato flour, frozen | 200490 |
| Noil fabrics, silk, woven | 500710 |
| Noils, cotton | 520291 |
| Noils, silk, not put up for retail sale | 500390 |
| Noils, silk, other | 500390 |
| Noils, silk, put up for retail sale | 500600 |
| Noils, wool, waste | 510310 |
| Noise generators | 854320 |
| Noisemakers, party | 950590 |
| Non-electric lamps | 940550 |
| Non-electric lighting fittings | 940550 |
| Non-impact printers for automatic data processing machines | 847130-60 |
| Non-irradiated fuel elements (cartridges) and parts thereof | 840130 |
| Non-metallic minerals grinding machines | 846420 |
| Non-metallic minerals polishing machines | 846420 |
| Non-metallic minerals working machines, n.e.s.o.i. | 846490 |
| Nonanal | 291219 |
| Nonconiferous veneers and sheets for plywood, whether or not reinforced or backed, thickness not exceeding 6mm | 440890 |
| Nonconiferous, lumber, n.e.s.o.i., rough, dressed or worked, whether or not treated for long-term preservation, thickness exceeding 6mm | 440799 |
| Nonconiferous, lumber, rough, dressed or worked, whether or not treated for long-term preservation, thickness exceeding 6mm (see specific kind) | 440791 |
| Nonenes (nonylenes) | 290129 |
| Nonfat dry milk containing not over 1.5% fat | 040210 |
| Nonfat dry milk containing over 1.5 % fat, not sweetened | 040221 |
| Nonhormonal anti-inflammatory agenst, dosage | 300410-90 |
| Nonhormonal anti-inflammatory agents, except preparations | 29 (Chapter) |
| Nonsteroid hormones | 293711-90 |
| Nonsteroid preparations | 300431-39 |
| Nonylphenol | 290713 |
| Noodle making machines, industrial | 843810 |
| Noodles, uncooked, containing eggs, not stuffed or otherwise prepared | 190211 |
| Noodles, uncooked, not containing eggs, not stuffed or otherwise prepared | 190219 |
| Nordazepam | 293391 |
| Norethindrone (syntex) preparations, bulk | 300310-90 |
| Norethindrone (syntex), bulk, except preparations | 293711-90 |
| Norit | 380210 |
| Normal amyl sebacate | 291719 |
| Normal and enriched superphosphate | 310310 |
| Normal human serum, whether or not freeze-dried | 300210 |
| Normethadone | 292231 |
| Nose bridges, spectacle | 900390 |
| Noses, artificial body parts | 902139 |
| Notaral | 300410 |
| Notching attachments, machine tool | 846630 |
| Notching machines, metal forming | 846241-49 |
| Notebooks | 482010 |
| Nottingham machine-made lace, cotton | 580429 |
| Nottingham machine-made lace, manmade fibers, ornamented | 581092 |
| Nougat and nougat pastes | 170490 |
| Nourry's sirup | 300450-90 |
| Nourry's wine | 300450-90 |
| Novaldin ampoules | 300410-90 |
| Novarsenobenzol preparations, bulk | 300310-90 |
| Novatophan preparations, bulk | 300310-90 |
| Novatophan, dosage | 300410-90 |
| Novelty hats, paper, except party favors | 650699 |
| Novelty paper hats, party favor | 950590 |
| Novocaine preparations, bulk | 300310-90 |
| Novocaine, dosage | 300410-90 |
| Novocaine, pontocaine and cobefrin solution, bulk | 300310-90 |
| Novocaine, pontocaine and cobefrin solution, dosage | 300410-90 |
| Novoloid fabric, woven, synthetic, unbleached or bleached, dyed, of yarns of different colors or printed | 540771-74 |
| Nozzles, fuel, internal combustion piston engine | 840910-99 |
| Nozzles, gas and oil burner | 841690 |
| Nozzles, refractory, ceramic | 690310-90 |
| Nsutite ore | 253090 |
| Nu-green | 310210 |
| Nubs, cotton | 520299 |
| Nubs, filling cotton | 560121 |
| Nubs, silk | 500390 |
| Nuchar coal | 380210 |
| Nuclear control equipment using beta, gamma, or neutron gauge technology, exc. Medical | 902229 |
| Nuclear magnetic resonance instruments (except those of heading 9018) | 902750 |
| Nuclear material, special, spent | 284450 |
| Nuclear medical and boilogical detecting instruments | 903010 |
| Nuclear monitoring instruments, n.e.s.o.i. | 903010 |
| Nuclear radiation detection instruments | 903010 |
| Nuclear reactor parts | 840140 |
| Nuclear reactor shields | 840110 |
| Nuclear reactors | 840110 |
| Nuclecol | 300450-90 |
| Nuggets, platinum, except platinum group metals | 711011 |
| Nuggets, silver | 710691 |
| Numbered duck, cotton, unbleached, plain weave, mixed mainly with manmade fibers, weighing over 200 g/m2 (5.90 oz/syd) | 521111 |
| Numbering machines, except bookbinding | 847290 |
| Numbering stamps hand-operated | 961100 |
| Numbers, base metal | 831000 |
| Numbers, ornamented or embroidered, cotton, other | 581091 |
| Numerical controls for machine tools | 853710 |
| Numismatic coins | 970500 |
| Nupercainal ointment | 300410-90 |
| Nursery furniture, household, of metal | 940320 |
| Nursery furniture, household, of wood | 940350-60 |
| Nursery stock, n.e.s.o.i., live | 060290 |
| Nursing cushions of plastic | 392690 |
| Nursing nipples rubber of rubber | 401490 |
| Nursing nipples, of plastics | 392690 |
| Nut (edible) plants, live, grafted or not | 060220 |
| Nut flour, meal or powder | 110630 |
| Nut paste, almond, confectionery, not containing cocoa | 170490 |
| Nut paste, except peanut or confectionery | 200799 |
| Nut paste, peanut | 200811 |
| Nut runners, rotary type, pneumatic, hand-held | 846711 |
| Nut shelling machines, industrial | 843860 |
| Nutcrackers, hand, base metal | 820551 |
| Nutcrackers, wooden | 441900 |
| Nutmeg | 090810 |
| Nutmeg oil | 330129 |
| Nutramigen | 190110 |
| Nutremulsion | 300450-90 |
| Nutria furskins, whole, raw | 430180 |
| Nutria rapid 20-20-20, except put up for retail sale | 310520 |
| Nutrient preparations, dosage, veterinary | 300410-90 |
| Nutrients for human use, dosage, n.e.s.o.i. (also specific type) | 300450-90 |
| Nutrients for veterinary use dosage | 300410-90 |
| Nuts preserved by sugar and put up in syrup | 200819 |
| Nuts used for carving | 140490 |
| Nuts, aluminum | 761610 |
| Nuts, beech | 120799 |
| Nuts, betel (areca), fresh or dried, whether or not shelled | 080290 |
| Nuts, brazil, fresh or dried, in shell | 080121 |
| Nuts, brazil, fresh or dried, shelled | 080122 |
| Nuts, brazil, prepared or preserved, n.e.s.o.i. | 200819 |
| Nuts, cashew, fresh or dried, in shell | 080131 |
| Nuts, cashew, fresh or dried, shelled | 080132 |
| Nuts, cashew, prepared or preserved, n.e.s.o.i. | 200819 |
| Nuts, cola (kola), fresh or dried, whether or not shelled | 080290 |
| Nuts, copper | 741533 |
| Nuts, edible, mixtures of two or more kinds, fresh or dried | 081350 |
| Nuts, iron or steel | 731816 |
| Nuts, macadamia, prepared or preserved, n.e.s.o.i. | 200819 |
| Nuts, nickel | 750890 |
| Nuts, oil bearing, n.e.s.o.i. | 120799 |
| Nuts, otherwise prepared or preserved (also see specific kind) | 200811-19 |
| Nuts, palm | 120710 |
| Nuts, pignolia, fresh or dried, whether or not shelled | 080290 |
| Nuts, pignolia, prepared or preserved, n.e.s.o.i. | 200819 |
| Nuts, pistachio, fresh or dried, whether or not shelled | 080250 |
| Nuts, pistachio, prepared or preserved, n.e.s.o.i. | 200819 |
| Nuts, prepared or preserved by vinegar or acetic acid | 200190 |
| Nuts, preserved by sugar (crystallized, drained or glace) | 200600 |
| Nuts, roasted, whether or not coated with salt or other additives | 200811-19 |
| Nuts, shea (karite) | 120799 |
| Nuts, tung | 120799 |
| Nuts, uncooked or cooked by steam, in temporary preservative | 081290 |
| Nuts, uncooked or cooked by steaming or boiling in water, frozen | 081190 |
| Nuts, zinc | 790700 |
| Nux vomica fluid extract or tincture | 300450-90 |
| Nydrazid (isonicotinic acid hydrazide) preparations, bulk | 300310-90 |
| Nylon fabric, woven, of high tenacity yarn | 540710 |
| Nylon fibers, carded or combed or prepared for spinning | 550610 |
| Nylon filament yarn, including monofilament, high tenacity, less than 67 decitex (60.306 denier) | 540210 |
| Nylon in primary forms | 390810 |
| Nylon or other polyamides, other single yarn, monofilament, twist not exceeding 50 turns per meter | 540241 |
| Nylon or other polyamides, other single yarn, multifilament, twist not exceeding 50 turns per meter | 540241 |
| Nylon or other polyamides, other yarn, multiple or cabled | 540261 |
| Nylon or other polyamides, other yarn, single, twist exceeding 50 turns per meter | 540251 |
| Nylon or other polyamides, textured single yarn, more than 50 decitex (450 denier) | 540232 |
| Nylon or other polyamides, textured single yarn, not more than 50 decitex (450 denier) | 540231 |
| Nylon staple fibers, carded or combed | 550610 |
| Nylon staple fibers, not carded or combed | 550310 |
| Nylon strip | 540410-90 |
| Nylon tire cord fabric | 590210 |
| Nylon tow, exceeding 2 m (2.187 yds) and twist less than 5 turns per meter (1.093 yds) | 550110 |
| Nylon waste | 550510 |
| Nylon yarn, spun, 85 percent or more by weight of nylon fibers | 550911-12 |
| Nylon, synthetic sewing thread | 550810 |
| Nystatin preparations, bulk | 300310-90 |
| Nystatin, bulk, except preparations | 294110-90 |
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