| CROSS-SECTIONAL SHAPE STYLE | SQUARE/RECTANGULAR BOTTOM RING |
| CROSS-SECTIONAL SHAPE STYLE | SQUARE/RECTANGULAR INTERMEDIATE RING |
| CROSS-SECTIONAL SHAPE STYLE | SQUARE/RECTANGULAR TOP RING |
| HEIGHT | 1.125 INCHES NOMINAL |
| INSIDE DIAMETER | 0.500 INCHES NOMINAL |
| INTERMEDIATE RING QUANTITY | 4 |
| MATERIAL | ASBESTOS AND PLASTIC POLYTETRAFLUOROETHYLENE TOP RING |
| MATERIAL | ASBESTOS AND PLASTIC POLYTETRAFLUOROETHYLENE BOTTOM RING |
| MATERIAL | ASBESTOS AND PLASTIC POLYTETRAFLUOROETHYLENE INTERMEDIATE RING |
| OUTSIDE DIAMETER | 0.875 INCHES NOMINAL |