| CENTER HOLE DIAMETER | 2.467 INCHES MINIMUM AND 2.507 INCHES MAXIMUM |
| CROSS-SECTIONAL HEIGHT | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM |
| HARDNESS RATING | 80.0 SHORE DUROMETER A MINIMUM AND 90.0 SHORE DUROMETER A MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | N256 MFR REF SINGLE MATERIAL RESPONSE |
| MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |