| APERTURE DIAMETER | 2.885 INCHES MINIMUM AND 2.889 INCHES MAXIMUM |
| BOLT CIRCLE HOLE QUANTITY | 4 |
| CROSS-SECTIONAL SHAPE STYLE | RECESSED W/ APERTURE |
| OUTSIDE DIAMETER | 6.969 INCHES MINIMUM AND 7.000 INCHES MAXIMUM |
| OUTSIDE RAISED SURFACE DIAMETER | 3.375 INCHES NOMINAL |
| OVERALL THICKNESS | 0.812 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | EMD 237,FSCM 95402 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| MINOR THICKNESS | 0.812 INCHES NOMINAL |
| MOUNTING BOLT CIRCLE DIAMETER | 6.125 INCHES NOMINAL |
| MOUNTING HOLE ARRANGEMENT STYLE | SINGLE BOLT HOLE CIRCLE |
| MOUNTING HOLE TYPE | ROUND, THREADED |
| NOMINAL THREAD SIZE | 0.375 INCHES |
| RAISED SURFACE HEIGHT | 0.437 INCHES NOMINAL |
| RECESS DEPTH | 0.437 INCHES NOMINAL |
| RECESS DIAMETER | 4.500 INCHES MINIMUM |
| SPECIAL FEATURES | CIRCUMFERENTIAL GREASE GROOVE IN APERTURE SURFACE,0.0625 IN. DEEP,0125 IN. WIDE,0.375 IN. FROM FRONT FACE; RECESS LOCATED IN RAISED SURFACE 5.116 IN. DIA ON BACK FACE |
| STYLE DESIGNATOR | ROUND |
| SURFACE FINISH | 63.0 MICROINCHES INNER FACE AS MOUNTED |
| SURFACE FINISH | 63.0 MICROINCHES RAISED SURFACE |
| SURFACE FINISH | 63.0 MICROINCHES APERTURE |
| THREAD QUANTITY PER INCH | 16 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |