| CENTER HOLE SHAPE STYLE | ROUND |
| CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| HOLE DIAMETER | 1.010 INCHES MINIMUM AND 1.020 INCHES MAXIMUM |
| OVERALL DIAMETER | 1.550 INCHES MINIMUM AND 1.560 INCHES MAXIMUM |
| MATERIAL | RUBBER SYNTHETIC AND STEEL COMP 301 OVERALL |
| PERIPHERAL SHAPE STYLE | ROUND |
| SPECIAL FEATURES | CONSISTS OF 6 STAINLESS WASKERS LAMINATED WITH VITON ELASTOMER BUT NOT ON OUTER SURFACES |
| THICKNESS | 0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM |