| CROSS-SECTIONAL SHAPE STYLE | SPECIAL INTERMEDIATE RING |
| CROSS-SECTIONAL SHAPE STYLE | SQUARE/RECTANGULAR BOTTOM RING |
| CROSS-SECTIONAL SHAPE STYLE | SQUARE/RECTANGULAR TOP RING |
| INTERMEDIATE RING QUANTITY | 1 |
| MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR INTERMEDIATE RING |
| MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE AND GRAPHITE BOTTOM RING |
| MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE AND GRAPHITE TOP RING |
| OUTSIDE DIAMETER | 1.637 INCHES NOMINAL |