| APERTURE DIAMETER | 6.000 INCHES NOMINAL |
| APERTURE TYPE | COUNTERBORED |
| APERTURE SHAPE | ROUND |
| COUNTERBORE DEPTH | 0.125 INCHES NOMINAL0.125 INCHES NOMINAL |
| COUNTERBORE DIAMETER | 1.125 INCHES NOMINAL1.125 INCHES NOMINAL |
| FEATURES PROVIDED | APERTURE |
| OUTSIDE DIAMETER | 9.375 INCHES NOMINAL9.375 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281, CLASS 1 FED SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | NICKEL ALLOY 400 |
| MOUNTING HOLE DIAMETER | 1.125 INCHES NOMINAL ALL HOLES |
| MOUNTING HOLE QUANTITY | 12 |
| MOUNTING HOLE TYPE | THREADED |
| SPECIAL FEATURES | 6 ADDITIONAL MOUNTING HOLES 0.281 IN. DIA SPACED EQUALLY 8.000 IN. BOLT CIRCLE |
| SCREW THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| SHAPE | ROUND |
| THICKNESS | 0.250 INCHES NOMINAL0.250 INCHES NOMINAL |
| THREAD SIZE | 5/16-18 |