| APERTURE DIAMETER | 3.975 INCHES NOMINAL |
| BOLT CIRCLE HOLE QUANTITY | 6 |
| COUNTERBORE DIAMETER | 4.375 INCHES NOMINAL |
| COUNTERBORE DEPTH | 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM |
| CROSS-SECTIONAL SHAPE STYLE | RAISED SURFACE W/APERTURE |
| OUTSIDE DIAMETER | 4.690 INCHES NOMINAL |
| OUTSIDE RAISED SURFACE DIAMETER | 4.489 INCHES MINIMUM AND 4.499 INCHES MAXIMUM |
| OVERALL THICKNESS | 0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 630 OVERALL |
| MINOR THICKNESS | 0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM |
| MOUNTING BOLT CIRCLE DIAMETER | 4.125 INCHES NOMINAL |
| MOUNTING HOLE DIAMETER | 0.127 INCHES MINIMUM AND 0.133 INCHES MAXIMUM |
| MOUNTING HOLE ARRANGEMENT STYLE | SINGLE BOLT HOLE CIRCLE |
| MOUNTING HOLE TYPE | ROUND, UNTHREADED |
| RAISED SURFACE HEIGHT | 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM |
| STYLE DESIGNATOR | ROUND |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35,TYPE 2,OR 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |