| CROSS-SECTIONAL SHAPE STYLE | SQUARE/RECTANGULAR TOP RING |
| CROSS-SECTIONAL SHAPE STYLE | SQUARE/RECTANGULAR BOTTOM RING |
| CROSS-SECTIONAL SHAPE STYLE | SQUARE/RECTANGULAR INTERMEDIATE RING |
| HEIGHT | 0.935 INCHES NOMINAL |
| INSIDE DIAMETER | 0.688 INCHES MINIMUM AND 0.719 INCHES MAXIMUM |
| INTERMEDIATE RING QUANTITY | 3 |
| OUTSIDE DIAMETER | 1.031 INCHES MINIMUM AND 1.062 INCHES MAXIMUM |
| MATERIAL | ASBESTOS AND PLASTIC POLYTETRAFLUOROETHYLENE INTERMEDIATE RING |
| MATERIAL | ASBESTOS AND PLASTIC POLYTETRAFLUOROETHYLENE TOP RING |
| MATERIAL | ASBESTOS AND PLASTIC POLYTETRAFLUOROETHYLENE BOTTOM RING |