| 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} |
| 549 | DF | .~.~ Peripheral radially sealing flexible projection (e.g., lip seal, etc.) {12} |
| 572 | DF | .~.~.~ Particular mounting, frame, casing, or reinforcement feature {3} |
| 576 | ![]() | .~.~.~.~ Secured by clamping {1} |
| 577 | DF | .~.~.~.~.~> By distinct members |