Shippers' packaging requirements — QA-relevant for munitions/hazmat prep. 234 sections, full current text (eCFR edition 2026-07-09), each cross-linked to the AF pubs that cite it.
| Section | Title | AF citations |
|---|---|---|
| 173.1 | Purpose and scope. | — |
| 173.2 | Hazardous material classes and index to hazard class definitions. | — |
| 173.2a | Classification of a material having more than one hazard. | — |
| 173.3 | Packaging and exceptions. | — |
| 173.4 | Small quantities for highway and rail. | — |
| 173.4a | Excepted quantities. | — |
| 173.4b | De minimis exceptions. | — |
| 173.5 | Agricultural operations. | — |
| 173.5a | Oilfield service vehicles, mechanical displacement meter provers, and roadway striping vehicles exceptions. | — |
| 173.5b | Portable and mobile refrigeration systems. | — |
| 173.6 | Materials of trade exceptions. | — |
| 173.7 | Government operations and materials. | 1 × 1 pubs |
| 173.8 | Exceptions for non-specification packagings used in intrastate transportation. | — |
| 173.9 | Transport vehicles or freight containers containing lading which has been fumigated. | — |
| 173.10 | Tank car shipments. | — |
| 173.11 | Exceptions for shipment of light bulbs containing hazardous materials. | — |
| 173.12 | Exceptions for shipment of waste materials. | — |
| 173.13 | Exceptions for Class 3, Divisions 4.1, 4.2, 4.3, 5.1, 6.1, and Classes 8 and 9 materials. | — |
| 173.14 | Hazardous materials in equipment in use or intended for use during transport. | — |
| 173.21 | Forbidden materials and packages. | — |
| 173.22 | Shipper's responsibility. | — |
| 173.22a | Use of packagings authorized under special permits. | — |
| 173.23 | Previously authorized packaging. | — |
| 173.24 | General requirements for packagings and packages. | — |
| 173.24a | Additional general requirements for non-bulk packagings and packages. | — |
| 173.24b | Additional general requirements for bulk packagings. | — |
| 173.25 | Authorized packagings and overpacks. | — |
| 173.26 | Quantity limitations. | — |
| 173.27 | General requirements for transportation by aircraft. | 1 × 1 pubs |
| 173.28 | Reuse, reconditioning and remanufacture of packagings. | — |
| 173.29 | Empty packagings. | — |
| 173.30 | Loading and unloading of transport vehicles. | — |
| 173.31 | Use of tank cars. | — |
| 173.32 | Requirements for the use of portable tanks. | — |
| 173.33 | Hazardous materials in cargo tank motor vehicles. | — |
| 173.35 | Hazardous materials in IBCs. | — |
| 173.36 | Hazardous materials in Large Packagings. | — |
| 173.37 | Hazardous Materials in Flexible Bulk Containers. | — |
| 173.40 | General packaging requirements for toxic materials packaged in cylinders. | — |
| 173.41 | Sampling and testing program for unrefined petroleum-based products. | — |
| 173.50 | Class 1—Definitions. | — |
| 173.51 | Authorization to offer and transport explosives. | — |
| 173.52 | Classification codes and compatibility groups of explosives. | 1 × 1 pubs |
| 173.53 | Provisions for using old classifications of explosives. | — |
| 173.54 | Forbidden explosives. | — |
| 173.56 | New explosives—definition and procedures for classification and approval. | 44 × 2 pubs |
| 173.57 | Acceptance criteria for new explosives. | — |
| 173.58 | Assignment of class and division for new explosives. | — |
| 173.59 | Description of terms for explosives. | — |
| 173.60 | General packaging requirements for explosives. | — |
| 173.61 | Mixed packaging requirements. | — |
| 173.62 | Specific packaging requirements for explosives. | — |
| 173.63 | Packaging exceptions. | — |
| 173.64 | Exceptions for Division 1.3 and 1.4 fireworks. | — |
| 173.65 | Exceptions for Division 1.4G consumer fireworks. | — |
| 173.66 | Requirements for bulk packagings of certain explosives and oxidizers. | — |
| 173.67 | Exceptions for Division 1.1 jet perforating guns. | — |
| 173.115 | Class 2, Divisions 2.1, 2.2, and 2.3—Definitions. | — |
| 173.116 | Class 2—Assignment of hazard zone. | — |
| 173.120 | Class 3—Definitions. | — |
| 173.121 | Class 3—Assignment of packing group. | — |
| 173.124 | Class 4, Divisions 4.1, 4.2 and 4.3—Definitions. | — |
| 173.125 | Class 4—Assignment of packing group. | — |
| 173.127 | Class 5, Division 5.1—Definition and assignment of packing groups. | — |
| 173.128 | Class 5, Division 5.2—Definitions and types. | — |
| 173.132 | Class 6, Division 6.1—Definitions. | — |
| 173.133 | Assignment of packing group and hazard zones for Division 6.1 materials. | — |
| 173.134 | Class 6, Division 6.2—Definitions and exceptions. | — |
| 173.136 | Class 8—Definitions. | — |
| 173.137 | Class 8—Assignment of packing group. | — |
| 173.140 | Class 9—Definitions. | — |
| 173.141 | Class 9—Assignment of packing group. | — |
| 173.150 | Exceptions for Class 3 (flammable and combustible liquids). | — |
| 173.151 | Exceptions for Class 4. | — |
| 173.152 | Exceptions for Division 5.1 (oxidizers) and Division 5.2 (organic peroxides). | — |
| 173.153 | Exceptions for Division 6.1 (poisonous materials). | — |
| 173.154 | Exceptions for Class 8 (corrosive materials). | — |
| 173.155 | Exceptions for Class 9 (miscellaneous hazardous materials). | — |
| 173.156 | Exceptions for limited quantity materials. | — |
| 173.157 | Reverse logistics—General requirements and exceptions for reverse logistics. | — |
| 173.158 | Nitric acid. | — |
| 173.159 | Batteries, wet. | — |
| 173.159a | Exceptions for non-spillable batteries. | — |
| 173.160 | Bombs, smoke, non-explosive (corrosive). | — |
| 173.161 | Chemical kits and first aid kits. | — |
| 173.162 | Gallium. | — |
| 173.163 | Hydrogen fluoride. | — |
| 173.164 | Mercury (metallic and articles containing mercury). | — |
| 173.165 | Polyester resin kits. | — |
| 173.166 | Safety devices. | — |
| 173.167 | ID8000 consumer commodities. | — |
| 173.168 | Chemical oxygen generators. | — |
| 173.170 | Black powder for small arms. | — |
| 173.171 | Smokeless powder for small arms. | — |
| 173.172 | Aircraft hydraulic power unit fuel tank. | — |
| 173.173 | Paint, paint-related material, adhesives, ink and resins. | — |
| 173.174 | Refrigerating machines. | — |
| 173.175 | Permeation devices. | 1 × 1 pubs |
| 173.176 | Capacitors. | — |
| 173.181 | Pyrophoric materials (liquids). | — |
| 173.182 | Barium azide—50 percent or more water wet. | — |
| 173.183 | Nitrocellulose base film. | — |
| 173.184 | Highway or rail fusee. | — |
| 173.185 | Lithium cells and batteries. | — |
| 173.186 | Matches. | — |
| 173.187 | Pyrophoric solids, metals or alloys, n.o.s. | — |
| 173.188 | White or yellow phosphorus. | — |
| 173.189 | Batteries containing sodium or cells containing sodium. | — |
| 173.192 | Packaging for certain toxic gases in Hazard Zone A. | — |
| 173.193 | Bromoacetone, methyl bromide, chloropicrin and methyl bromide or methyl chloride mixtures, etc. | — |
| 173.194 | Gas identification sets. | — |
| 173.195 | Hydrogen cyanide, anhydrous, stabilized (hydrocyanic acid, aqueous solution). | — |
| 173.196 | Category A infectious substances. | — |
| 173.197 | Regulated medical waste. | — |
| 173.198 | Nickel carbonyl. | — |
| 173.199 | Category B infectious substances. | — |
| 173.201 | Non-bulk packagings for liquid hazardous materials in Packing Group I. | — |
| 173.202 | Non-bulk packagings for liquid hazardous materials in Packing Group II. | 1 × 1 pubs |
| 173.203 | Non-bulk packagings for liquid hazardous materials in Packing Group III. | — |
| 173.204 | Non-bulk, non-specification packagings for certain hazardous materials. | — |
| 173.205 | Specification cylinders for liquid hazardous materials. | — |
| 173.206 | Packaging requirements for chlorosilanes. | — |
| 173.211 | Non-bulk packagings for solid hazardous materials in Packing Group I. | — |
| 173.212 | Non-bulk packagings for solid hazardous materials in Packing Group II. | — |
| 173.213 | Non-bulk packagings for solid hazardous materials in Packing Group III. | — |
| 173.214 | Packagings which require approval by the Associate Administrator. | — |
| 173.216 | Asbestos, blue, brown or white. | — |
| 173.217 | Carbon dioxide, solid (dry ice). | — |
| 173.218 | Fish meal or fish scrap. | — |
| 173.219 | Life-saving appliances. | — |
| 173.220 | Internal combustion engines, vehicles, machinery containing internal combustion engines, battery-powered equipment or machinery, fuel cell-powered equipment or machinery. | — |
| 173.221 | Polymeric beads, expandable and Plastic molding compound. | — |
| 173.222 | Dangerous goods in articles, machinery, or apparatus. | — |
| 173.223 | Packagings for certain flammable solids. | — |
| 173.224 | Packaging and control and emergency temperatures for self-reactive materials. | — |
| 173.225 | Packaging requirements and other provisions for organic peroxides. | — |
| 173.226 | Materials poisonous by inhalation, Division 6.1, Packing Group I, Hazard Zone A. | — |
| 173.227 | Materials poisonous by inhalation, Division 6.1, Packing Group I, Hazard Zone B. | — |
| 173.228 | Bromine pentafluoride or bromine trifluoride. | — |
| 173.229 | Chloric acid solution or chlorine dioxide hydrate, frozen. | — |
| 173.230 | Fuel cell cartridges containing hazardous material. | — |
| 173.231 | Ammonium nitrate emulsion, suspension or gel. | — |
| 173.232 | Articles containing hazardous materials, n.o.s. | — |
| 173.240 | Bulk packaging for certain low hazard solid materials. | — |
| 173.241 | Bulk packagings for certain low hazard liquid and solid materials. | — |
| 173.242 | Bulk packagings for certain medium hazard liquids and solids, including solids with dual hazards. | — |
| 173.243 | Bulk packaging for certain high hazard liquids and dual hazard materials which pose a moderate hazard. | — |
| 173.244 | Bulk packaging for certain pyrophoric liquids (Division 4.2), dangerous when wet (Division 4.3) materials, and poisonous liquids with inhalation hazards (Division 6.1). | — |
| 173.245 | Bulk packaging for extremely hazardous materials such as poisonous gases (Division 2.3). | — |
| 173.247 | Bulk packaging for certain elevated temperature materials. | — |
| 173.249 | Bromine. | — |
| 173.251 | Bulk packaging for ammonium nitrate emulsion, suspension, or gel. | — |
| 173.301 | General requirements for shipment of compressed gases and other hazardous materials in cylinders, UN pressure receptacles, and spherical pressure vessels. | — |
| 173.301a | Additional general requirements for shipment of specification cylinders. | — |
| 173.301b | Additional general requirements for shipment of UN pressure receptacles. | — |
| 173.302 | Filling of cylinders with nonliquefied (permanent) compressed gases or adsorbed gases. | — |
| 173.302a | Additional requirements for shipment of non-liquefied (permanent) compressed gases in specification cylinders. | — |
| 173.302b | Additional requirements for shipment of non-liquefied (permanent) compressed gases in UN pressure receptacles. | — |
| 173.302c | Additional requirements for the shipment of adsorbed gases in UN pressure receptacles. | — |
| 173.303 | Charging of cylinders with compressed gas in solution (acetylene). | — |
| 173.304 | Filling of cylinders with liquefied compressed gases. | — |
| 173.304a | Additional requirements for shipment of liquefied compressed gases in specification cylinders. | — |
| 173.304b | Additional requirements for shipment of liquefied compressed gases in UN pressure receptacles. | — |
| 173.305 | Charging of cylinders with a mixture of compressed gas and other material. | — |
| 173.306 | Limited quantities of compressed gases. | — |
| 173.307 | Exceptions for compressed gases. | — |
| 173.308 | Lighters. | — |
| 173.309 | Fire extinguishers. | — |
| 173.310 | Exceptions for radiation detectors. | — |
| 173.311 | Metal Hydride Storage Systems. | — |
| 173.312 | Requirements for shipment of MEGCs. | — |
| 173.313 | UN Portable Tank Table for Liquefied Compressed Gases and Chemical Under Pressure. | — |
| 173.314 | Compressed gases in tank cars and multi-unit tank cars. | — |
| 173.315 | Compressed gases in cargo tanks and portable tanks. | — |
| 173.316 | Cryogenic liquids in cylinders. | — |
| 173.318 | Cryogenic liquids in cargo tanks. | — |
| 173.319 | Cryogenic liquids in tank cars. | — |
| 173.320 | Cryogenic liquids; exceptions. | — |
| 173.321 | Ethylamine. | — |
| 173.322 | Ethyl chloride. | — |
| 173.323 | Ethylene oxide. | — |
| 173.334 | Organic phosphates mixed with compressed gas. | — |
| 173.335 | Chemical under pressure n.o.s. | — |
| 173.336 | Nitrogen dioxide, liquefied, or dinitrogen tetroxide, liquefied. | — |
| 173.337 | Nitric oxide. | — |
| 173.338 | Tungsten hexafluoride. | — |
| 173.340 | Tear gas devices. | — |
| 173.401 | Scope. | — |
| 173.403 | Definitions. | — |
| 173.410 | General design requirements. | — |
| 173.411 | Industrial packages. | 2 × 1 pubs |
| 173.412 | Additional design requirements for Type A packages. | — |
| 173.413 | Requirements for Type B packages. | — |
| 173.415 | Authorized Type A packages. | 2 × 1 pubs |
| 173.416 | Authorized Type B packages. | — |
| 173.417 | Authorized fissile materials packages. | — |
| 173.418 | Authorized packages—pyrophoric Class 7 (radioactive) materials. | — |
| 173.419 | Authorized packages—oxidizing Class 7 (radioactive) materials. | — |
| 173.420 | Uranium hexafluoride (fissile, fissile excepted and non-fissile). | — |
| 173.421 | Excepted packages for limited quantities of Class 7 (radioactive) materials. | 2 × 1 pubs |
| 173.422 | Additional requirements for excepted packages containing Class 7 (radioactive) materials. | — |
| 173.423 | Requirements for multiple hazard limited quantity Class 7 (radioactive) materials. | — |
| 173.424 | Excepted packages for radioactive instruments and articles. | — |
| 173.425 | Table of activity limits—excepted quantities and articles. | 1 × 1 pubs |
| 173.426 | Excepted packages for articles containing natural uranium or thorium. | — |
| 173.427 | Transport requirements for low specific activity (LSA) Class 7 (radioactive) material and surface contaminated objects (SCO). | 1 × 1 pubs |
| 173.428 | Empty Class 7 (radioactive) materials packaging. | — |
| 173.431 | Activity limits for Type A and Type B packages. | — |
| 173.433 | Requirements for determining basic radionuclide values, and for the listing of radionuclides on shipping papers and labels. | — |
| 173.434 | Activity-mass relationships for uranium and natural thorium. | — |
| 173.435 | Table of A1 and A2 values for radionuclides. | 1 × 1 pubs |
| 173.436 | Exempt material activity concentrations and exempt consignment activity limits for radionuclides. | 1 × 1 pubs |
| 173.441 | Radiation level limitations and exclusive use provisions. | 4 × 2 pubs |
| 173.442 | Thermal limitations. | — |
| 173.443 | Contamination control. | 4 × 1 pubs |
| 173.447 | Storage incident to transportation—general requirements. | — |
| 173.448 | General transportation requirements. | — |
| 173.453 | Fissile materials—exceptions. | 1 × 1 pubs |
| 173.457 | Transportation of fissile material packages—specific requirements. | 1 × 1 pubs |
| 173.459 | Mixing of fissile material packages with non-fissile or fissile-excepted material packages. | — |
| 173.461 | Demonstration of compliance with tests. | — |
| 173.462 | Preparation of specimens for testing. | — |
| 173.465 | Type A packaging tests. | — |
| 173.466 | Additional tests for Type A packagings designed for liquids and gases. | — |
| 173.467 | Tests for demonstrating the ability of Type B and fissile materials packagings to withstand accident conditions in transportation. | — |
| 173.468 | Test for LSA-III material. | — |
| 173.469 | Tests for special form Class 7 (radioactive) materials. | — |
| 173.471 | Requirements for U.S. Nuclear Regulatory Commission approved packages. | — |
| 173.472 | Requirements for exporting DOT Specification Type B and fissile packages. | — |
| 173.473 | Requirements for foreign-made packages. | — |
| 173.474 | Quality control for construction of packaging. | — |
| 173.475 | Quality control requirements prior to each shipment of Class 7 (radioactive) materials. | — |
| 173.476 | Approval of special form Class 7 (radioactive) materials. | — |
| 173.477 | Approval of packagings containing greater than 0.1 kg of non-fissile or fissile-excepted uranium hexafluoride. | — |
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