| 102 / | HD | AMMUNITION AND EXPLOSIVES |
| 200 | DF | IGNITING DEVICES AND SYSTEMS {15} |
| 221 | DF | .~ Arming devices {2} |
| 222 | DF | .~.~ Blocking or interrupting type {7} |
| 247 | ![]() | .~.~.~ Inertia operated {3} |
| 248 | DF | .~.~.~.~> With or including a timing device {2} |
| 251 | DF | .~.~.~.~> Rotor or slide with setback release |
| 252 | DF | .~.~.~.~> Impacting device latch {1} |