| BODY DIAMETER | 0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM |
| FABRICATION METHOD | FORGED |
| OVERALL HEIGHT | 0.844 INCHES MINIMUM AND 0.906 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A400-69 ASSN STD 1ST MATERIAL RESPONSE OR MIL-I-11466 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OR IRON OVERALL |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| NUT STYLE | WING |
| WING SPREAD WIDTH | 2.594 INCHES MINIMUM AND 2.656 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 171 MIL STD 2ND TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | COPPER ALLOY OR PHOSPHATE OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 2A |
| THREAD SERIES | UNC |
| THREAD QUANTITY PER INCH | 20 |