| ANTIROTATION/LUBRICATION TYPE AND QUANTITY | 7 HOLE | 
| BODY INSIDE DIAMETER | 20.220 INCHES MINIMUM AND 20.230 INCHES MAXIMUM | 
| BODY OUTSIDE DIAMETER | 20.749 INCHES MINIMUM AND 20.750 INCHES MAXIMUM | 
| CORNER SHAPE | RELIEF GROOVE INSIDE LEFT CORNER | 
| CORNER SHAPE | RELIEF GROOVE INSIDE RIGHT CORNER | 
| CORNER SHAPE | SQUARE OUTSIDE LEFT CORNER | 
| CORNER SHAPE | SQUARE OUTSIDE RIGHT CORNER | 
| HARDNESS RATING | 54.0 ROCKWELL C MINIMUM  AND 57.0 ROCKWELL C MAXIMUM OVERALL | 
| HOLE DIAMETER | 0.125 INCHES MINIMUM  AND 0.128 INCHES MAXIMUM FIRST | 
| PART NAME ASSIGNED BY CONTROLLING AGENCY | LINER, BEARING, UPPER FACE GEAR | 
| PROPRIETARY CHARACTERISTICS | PACS | 
| OVERALL LENGTH | 1.230 INCHES NOMINAL | 
| SPECIAL FEATURES | QUALIFICATION REQUIREMENTS PER EPB6-128 | 
| STYLE DESIGNATOR | SOLID, PLAIN, NO OUTSIDE FLANGES |