| 102 / | HD | AMMUNITION AND EXPLOSIVES |
| 200 | DF | IGNITING DEVICES AND SYSTEMS {15} |
| 221 | DF | .~ Arming devices {2} |
| 222 | DF | .~.~ Blocking or interrupting type {7} |
| 223 | DF | .~.~.~ Fluid pressure operated {5} |
| 225 | ![]() | .~.~.~.~ Rotating vane {2} |
| 226 | DF | .~.~.~.~.~> Rotor or slide release |
| 227 | DF | .~.~.~.~.~> Impacting device release |