| 102 / | HD | AMMUNITION AND EXPLOSIVES |
| 200 | DF | IGNITING DEVICES AND SYSTEMS {15} |
| 221 | DF | .~ Arming devices {2} |
| 222 | DF | .~.~ Blocking or interrupting type {7} |
| 254 | ![]() | .~.~.~ Slide or rotor {2} |
| 255 | DF | .~.~.~.~> Timing device operated |
| 256 | DF | .~.~.~.~> Spring operated |