List of NA numbers
The NA numbers as assigned by the United States Department of Transportation.
| NA number | Class | Material |
| NA 0027 | 4.1 | Black powder for small arms |
| NA 0124 | 1.1D | Jet perforating guns, charged oil well, with detonator |
| NA 0276 | 1.4C | Model rocket motor |
| NA 0323 | 1.4S | Model rocket motor |
| NA 0331 | 1.5D | Ammonium nitrate-fuel oil mixture containing only prilled ammonium nitrate and fuel oil |
| NA 0337 | 1.4S | Toy Caps |
| NA 0494 | 1.4D | Jet perforating guns, charged oil well, with detonator |
| NA 1057 | 3 | Lighters, non-pressurized, containing flammable liquid, |
| NA 1270 | 3 | Petroleum oil |
| NA 1325 | 4.1 | Fusee |
| NA 1350 | 9 | Sulfur |
| NA 1361 | 4.2 | Charcoal briquettes, shell, screenings, wood, etc. |
| NA 1365 | 9 | Cotton |
| NA 1556 | 6.1 | Methyldichloroarsine |
| NA 1613 | 6.1 | Hydrocyanic acid, aqueous solutions with less than 5 percent hydrogen cyanide |
| NA 1693 | 6.1 | Tear gas devices with more than 2 percent tear gas substances, by mass |
| NA 1759 | 8 | Ferrous chloride, solid |
| NA 1760 | 8 | Chemical kit |
| NA 1760 | 8 | Compounds, cleaning liquid |
| NA 1760 | 8 | Compounds, tree killing, liquid or Compounds, weed killing, liquid |
| NA 1760 | 8 | Ferrous chloride, solution |
| NA 1911 | 2.1 | Diborane mixtures |
| NA 1954 | 2.1 | Refrigerant gases, n.o.s. or Dispersant gases, n.o.s. |
| NA 1955 | 2.3 | Organic phosphate, mixed with compressed gas or Organic phosphate compound, mixed with compressed gas or Organic phosphorus compound, mixed with compressed gas |
| NA 1961 | 2.1 | Ethane-Propane mixture, refrigerated liquid |
| NA 1967 | 2.3 | Parathion and compressed gas mixture |
| NA 1987 | 3 | Denatured alcohol |
| NA 1993 | Combustible liquid | Combustible liquid, n.o.s. |
| NA 1993 | 3 | Compounds, cleaning liquid |
| NA 1993 | 3 | Compounds, tree killing, liquid or Compounds, weed killing, liquid |
| NA 1993 | 3 | Diesel fuel |
| NA 1993 | 3 | Fuel oil |
| NA 1999 | 3 | Asphalt, at or above its flash point |
| NA 2212 | 9 | Asbestos |
| NA 2448 | 9 | Sulfur, molten |
| NA 2810 | 6.1 | Compounds, tree killing, liquid or Compounds, weed killing, liquid |
| NA 2845 | 6.1 | Ethyl phosphonous dichloride, anhydrous pyrophoric liquid |
| NA 2845 | 6.1 | Methyl phosphonous dichloride, pyrophoric liquid |
| NA 2927 | 2.1 | Ethyl phosphonothioic dichloride, anhydrous |
| NA 2927 | 2.1 | Ethyl phosphorodichloridate |
| NA 3077 | 9 | Hazardous waste, solid, n.o.s. |
| NA 3077 | 9 | Other regulated substances, solid, n.o.s |
| NA 3082 | 9 | Hazardous waste, liquid, n.o.s. |
| NA 3082 | 9 | Other regulated substances, liquid, n.o.s. |
| NA 3178 | 4.1 | Smokeless powder for small arms |
| NA 3334 | 9 | Self-defense spray, non-pressurized |
| NA 3356 | 9 | Oxygen generator, chemical, spent |
| NA 9035 | 2.3 | Gas identification set |
| NA 9191 | 5.1 | Chlorine dioxide, hydrate, frozen |
| NA 9202 | 2.3 | Carbon monoxide, refrigerated liquid |
| NA 9206 | 6.1 | Methyl phosphonic dichloride |
| NA 9259 | Elevated temperature material, liquid, n.o.s. | |
| NA 9260 | 9 | Aluminum, molten |
| NA 9263 | 6.1 | Chloropivaloyl chloride |
| NA 9264 | 6.1 | 3,5-Dichloro-2,4,6-trifluoropyridine |
| NA 9269 | 6.1 | Trimethoxysilane |
| NA 9279 | 2.1 | Hydrogen absorbed in metal hydride |