| 188 / | HD | BRAKES |
| * | DD | ELEMENTS {6} |
| 250 R | DF | .~ Shoes {12} |
| 251 R | | .~.~ Composite {6} |
| 252 | DF | .~.~.~> Flanged {1} |
| 254 | DF | .~.~.~> Shells |
| 255 | DF | .~.~.~> Cast metal matrix {3} |
| 259 | DF | .~.~.~> Flexible |
| 251 A | DF | .~.~.~> Materials |
| 251 M | DF | .~.~.~> Metallic surfaces |