| 277 / | HD | SEAL FOR A JOINT OR JUNCTURE |
| 590 | DF | SEAL BETWEEN FIXED PARTS OR STATIC CONTACT AGAINST RELATIVELY MOVABLE PARTS {3} |
| 591 | DF | .~ Contact seal between parts of internal combustion engine {7} |
| 594 | DF | .~.~ Particular dimensions or configuration of sealing bead or formation {2} |
| 596 | | .~.~.~ Elastomeric |