| CENTER HOLE DIAMETER | 8.920 INCHES MINIMUM AND 9.030 INCHES MAXIMUM |
| CROSS-SECTIONAL HEIGHT | 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | PACKING,PREFORMED - MS28775 O-RING |
| MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| OUTSIDE DIAMETER | 9.458 INCHES MINIMUM AND 9.592 INCHES MAXIMUM |