102 / | HD | AMMUNITION AND EXPLOSIVES |
200 | DF | IGNITING DEVICES AND SYSTEMS {15} |
221 | DF | .~ Arming devices {2} |
222 | DF | .~.~ Blocking or interrupting type {7} |
231 | DF | .~.~.~ Centrifugal and setback operated {3} |
232 | DF | .~.~.~.~ With or including a timing device {1} |
233 | .~.~.~.~.~ With setback latch |