| APERTURE DIAMETER | 3.0000 INCHES NOMINAL |
| APERTURE SHAPE | ROUND |
| APERTURE TYPE | COUNTERBORED |
| COUNTERBORE DIAMETER | 3.0000 INCHES NOMINAL3.0000 INCHES NOMINAL |
| COUNTERBORE DEPTH | 0.2500 INCHES NOMINAL0.2500 INCHES NOMINAL |
| FEATURES PROVIDED | APERTURE |
| OUTSIDE DIAMETER | 4.2500 INCHES NOMINAL4.2500 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR AMS 6371 ASSN STD 2ND MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 4130 |
| MOUNTING HOLE DIAMETER | 0.3220 INCHES MINIMUM AND 0.3290 INCHES MAXIMUM ALL HOLES |
| MOUNTING HOLE QUANTITY | 4 |
| MOUNTING HOLE TYPE | UNTHREADED |
| SHAPE | ROUND |
| THICKNESS | 0.0600 INCHES NOMINAL0.0600 INCHES NOMINAL |