| 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 | 0.250 INCHES NOMINAL |
| INSIDE DIAMETER | 0.875 INCHES MINIMUM AND 0.906 INCHES MAXIMUM |
| INTERMEDIATE RING QUANTITY | 3 |
| JOINT TYPE | OVERLAY TOP RING |
| JOINT TYPE | OVERLAY BOTTOM RING |
| JOINT TYPE | OVERLAY INTERMEDIATE RING |
| OUTSIDE DIAMETER | 1.469 INCHES MINIMUM AND 1.500 INCHES MAXIMUM |
| MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE AND ASBESTOS OVERALL |