| 257 18 | AIRCRAFT, MILITARY, FIGHTER BOMBERS, ATTACK AIRCRAFT, ETC. |
| 257 19 | AVIATION EQUIPMENT, CBRNE |
| 257 20 | AVIATION EQUIPMENT, DEFENSE AND HOMELAND SECURITY |
| 257 23 | BOMB DETECTION EQUIPMENT AND SUPPLIES |
| 257 24 | BOMB PROTECTION DEVICES AND SUPPLIES |
| 257 26 | MEDICAL SUPPLIES AND PHARMACEUTICALS (NOT OTHERWISE CLASSIFIED), CBRNE |
| 257 27 | CHEMICAL, BIOLOGICAL, RADIOLOGICAL AND NUCLEAR EXPLOSIVE WEAPONS AND CYBER ATTACKS |
| 257 28 | COMMUNICATIONS EQUIPMENT, INTEROPERABLE, CBRNE |
| 257 29 | COMMUNICATIONS EQUIPMENT, DEFENSE AND HOMELAND SECURITY |
| 257 31 | DETECTION EQUIPMENT, CBRNE |
| 257 34 | DECONTAMINATION EQUIPMENT, CBRNE |
| 257 35 | DISASTER SURVIVAL EQUIPMENT, KITS, AND SUPPLIES |
| 257 37 | EXPLOSIVE DEVICE MITIGATION AND REMEDIATION EQUIPMENT |
| 257 38 | HAZARDOUS CONTROL MATERIALS, HAZMAT, GREEN MATERIAL, ETC., (NOT OTHERWISE CLASSIFIED) |
| 257 40 | HOMELAND SECURITY EQUIPMENT AND ACCESSORIES (NOT OTHERWISE CLASSIFIED) |
| 257 43 | INTERVENTION EQUIPMENT, CBRNE |
| 257 44 | LOGISTICAL SUPPORT EQUIPMENT, CBRNE |
| 257 46 | MILITARY EXPLOSIVES: BOMBS, MINES, ETC. |
| 257 47 | MILITARY WATERCRAFT, SUBMARINES, AIRCRAFT CARRIERS, CRUISERS, ETC. |
| 257 50 | MISSILES, GUIDED, AIR TO AIR |
| 257 51 | MISSILES, GUIDED, AIR TO SURFACE |
| 257 52 | MISSILES, GUIDED, ANTIBALLISTIC |
| 257 53 | MISSILES, GUIDED, ANTIAIRCRAFT |
| 257 54 | MISSILES, GUIDED, ANTIMISSILE |
| 257 55 | MISSILES, GUIDED, ANTISHIP |
| 257 56 | MISSILES, GUIDED, ANTITANK |
| 257 58 | MISSILES, GUIDED, BALLISTIC |
| 257 60 | MISSILES, GUIDED, CRUISE |
| 257 63 | MISSILES, GUIDED, SURFACE TO SURFACE |
| 257 64 | MISSILES, GUIDED, TRAINING |
| 257 67 | MISSILE SUBSYSTEMS, INCLUDING BOOSTERS, WARHEADS, PIN PULLERS, JET REACTION CONTROL ASSY |
| 257 71 | RECYCLED DEFENSE SYSTEM EQUIPMENT AND ACCESSORIES |
| 257 72 | RESCUE AND SEARCH EQUIPMENT, CBRNE |
| 257 73 | ROCKETS AND LAUNCH VEHICLES, INCLUDING BOOSTERS |
| 257 75 | SATELLITES, MILITARY (SEE 804-74 FOR ALL OTHER TYPES) |
| 257 76 | SENSORS, INFRARED (IR) |
| 257 77 | SCIENCE AND RESEARCH SERVICES, MILITARY |
| 257 78 | SECURITY ENHANCEMENT EQUIPMENT, CYBER |
| 257 79 | SECURITY ENHANCEMENT EQUIPMENT, PHYSICAL, INCLUDING BLAST CURTAINS |
| 257 80 | SECURITY EQUIPMENT, DEFENSE AND HOMELAND SECURITY |
| 257 81 | TERRORISM INCIDENT PREVENTION EQUIPMENT |
| 257 82 | TERRORISM PREVENTION, RESPONSE AND MITIGATION EQUIPMENT FOR AGRICULTURE |
| 257 87 | VEHICLES, INCIDENT RESPONSE, CBRNE |
| 257 88 | VEHICLES, WAR, ARMORED, TANKS, ETC. |
| 257 93 | WATERCRAFT, RESPONSE, CBRNE |
| 257 94 | WEAPONS, NAVAL , TORPEDOES ETC. |
| 257 95 | WEAPONS, BLADED, INCLUDING PARTS AND ACCESSORIES |