| 277 / | HD | SEAL FOR A JOINT OR JUNCTURE |
| 345 | DF | SEAL BETWEEN RELATIVELY MOVABLE PARTS (I.E., DYNAMIC SEAL) {10} |
| 500 | DF | .~ Circumferential contact seal for other than piston {13} |
| 579 | DF | .~.~ Having floating ring or bushing (i.e., circumferentially contacting) {3} |
| 580 | ![]() | .~.~.~ Radially translatable in groove {1} |
| 581 | DF | .~.~.~.~> And biased |