| 102 / | HD | AMMUNITION AND EXPLOSIVES |
| 200 | DF | IGNITING DEVICES AND SYSTEMS {15} |
| 206 | DF | .~ Ignition or detonation circuit {6} |
| 218 | ![]() | .~.~ Electronic switch discharges capacitor {2} |
| 219 | DF | .~.~.~> Ionized gas, i.e., glow tube or thyratron |
| 220 | DF | .~.~.~> Silicon controlled rectifier |