| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY MATERIAL |
| CENTER HOLE DIAMETER | 79.10 MILLIMETERS MINIMUM AND 79.90 MILLIMETERS MAXIMUM |
| CROSS-SECTIONAL HEIGHT | 2.90 MILLIMETERS MINIMUM AND 3.10 MILLIMETERS MAXIMUM |
| HARDNESS RATING | 86.0 INTERNATIONAL RUBBER HARDNESS DEGREE SCALE NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | ANGUS GEORGE AND CO LTD, GACO ML5372 (+90) MFR REF SINGLE MATERIAL RESPONSE |
| MATERIAL | RUBBER |