| COUNTERBORE DIAMETER | 1.940 INCHES NOMINAL NUT |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| MATERIAL DOCUMENT AND CLASSIFICATION | TEMPER T851 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | ALUMINUM ALLOY 2024 OVERALL |
| NOMINAL THREAD SIZE | 2.250 INCHES |
| NUT DIAMETER | 0.435 INCHES MINIMUM AND 0.465 INCHES MAXIMUM |
| NUT HEIGHT | 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM |
| NUT STYLE | CLINCH |
| PILOT DIAMETER | 0.368 INCHES MINIMUM AND 0.374 INCHES MAXIMUM |
| PILOT LENGTH | 0.109 INCHES MINIMUM AND 0.121 INCHES MAXIMUM |
| SURFACE TREATMENT | ANODIZE AND CHROMATE OVERALL |
| THREAD CLASS | 2B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 16 |
| THREAD SERIES | UN |