| BODY DIAMETER | 1.500 INCHES NOMINAL |
| COUNTERBORE DIAMETER | 0.687 INCHES MINIMUM AND 0.812 INCHES MAXIMUM NUT |
| FABRICATION METHOD | FORGED |
| HARDNESS RATING | 25.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM |
| OVERALL HEIGHT | 0.750 INCHES MINIMUM AND 0.875 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-13048 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL COMP 1018 OR STEEL COMP 1117 OVERALL |
| NOMINAL THREAD SIZE | 0.500 INCHES |
| NUT COUNTERBORE DEPTH | 0.283 INCHES MINIMUM AND 0.407 INCHES MAXIMUM NUT |
| NUT STYLE | WING |
| WING SPREAD WIDTH | 4.000 INCHES NOMINAL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 2B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES | UNC |
| THREAD QUANTITY PER INCH | 13 |