| 277 / | HD | SEAL FOR A JOINT OR JUNCTURE |
| 590 | DF | SEAL BETWEEN FIXED PARTS OR STATIC CONTACT AGAINST RELATIVELY MOVABLE PARTS {3} |
| 628 | DF | .~ Contact seal for other than internal combustion engine, or pipe, conduit, or cable {9} |
| 650 | DF | .~.~ Particular sealing material or construction {3} |
| 652 | DF | .~.~.~ Distinct sheath or covering {1} |
| 653 | | .~.~.~.~ Metal |