| DRIVE POINT DEPTH | 0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM |
| NUT STYLE | ROUND |
| NUT DIAMETER | 1.891 INCHES MINIMUM AND 1.911 INCHES MAXIMUM |
| DRIVE POINT WIDTH | 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM |
| DRIVE POINT QUANTITY | 8 |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| NOMINAL THREAD SIZE | 1.376 INCHES |
| MATERIAL | STEEL COMP 8740 OR STEEL COMP 8742 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 1 CLASS |