| 403 / | HD | JOINTS AND CONNECTIONS |
| 52 | DF | ARTICULATED MEMBERS {13} |
| 112 | DF | .~ Including limit means {1} |
| 113 | DF | .~.~ For pivotal motion {3} |
| 114 | DF | .~.~.~ Ball and socket with restricted movement about one axis {1} |
| 115 | | .~.~.~.~ Ball stud passes through confining opening |