| APERTURE DIAMETER | 1.6250 INCHES MINIMUM AND 1.6255 INCHES MAXIMUM |
| BOLT CIRCLE HOLE QUANTITY | 3 |
| COUNTERBORE DEPTH | 0.130 INCHES MINIMUM AND 0.135 INCHES MAXIMUM |
| COUNTERBORE DIAMETER | 1.672 INCHES NOMINAL |
| INSIDE RAISED SURFACE DIAMETER | 1.526 INCHES MINIMUM AND 1.536 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,T351 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | ALUMINUM ALLOY 2024 OVERALL |
| PROPRIETARY CHARACTERISTICS | PACS |
| MINOR THICKNESS | 0.091 INCHES NOMINAL |
| MOUNTING BOLT CIRCLE DIAMETER | 2.032 INCHES NOMINAL |
| MOUNTING HOLE DIAMETER | 0.107 INCHES MINIMUM AND 0.112 INCHES MAXIMUM |
| MOUNTING HOLE ARRANGEMENT STYLE | SINGLE BOLT HOLE CIRCLE |
| MOUNTING HOLE TYPE | ROUND, UNTHREADED |
| OUTSIDE DIAMETER | 2.250 INCHES NOMINAL |
| OUTSIDE RAISED SURFACE DIAMETER | 1.781 INCHES NOMINAL |
| OVERALL THICKNESS | 0.308 INCHES NOMINAL |
| RAISED SURFACE HEIGHT | 0.185 INCHES NOMINAL |
| STYLE DESIGNATOR | ROUND |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541,CL 1A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CHROMATE OVERALL |