| NUT STYLE | CAP |
| NUT HEIGHT | 0.340 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 0.302 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| NOMINAL THREAD SIZE | 0.164 INCHES |
| BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED |
| MATERIAL | STEEL COMP 416 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| NONDEFINITIVE SPEC/STD DATA | 3 TYPE AND 15 STYLE |
| DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY MATERIAL |