| HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| OVERALL LENGTH | 2.171 INCHES MINIMUM AND 2.242 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS6382 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 4140 |
| NOMINAL THREAD SIZE | 0.438 INCHES NUT THREAD |
| NUT END SHANK DIAMETER | 0.365 INCHES MINIMUM AND 0.370 INCHES MAXIMUM |
| NUT END SHANK LENGTH | 0.391 INCHES MINIMUM AND 0.422 INCHES MAXIMUM |
| SHOULDER DIAMETER | 0.839 INCHES MINIMUM AND 0.849 INCHES MAXIMUM |
| SHOULDER LENGTH | 0.083 INCHES MINIMUM AND 0.093 INCHES MAXIMUM |
| STUD END SHANK DIAMETER | 0.365 INCHES MINIMUM AND 0.370 INCHES MAXIMUM |
| STUD END SHANK LENGTH | 0.017 INCHES NOMINAL |
| STYLE DESIGNATOR | SHOULDERED AND STEPPED |
| SURFACE FINISH | 125.0 MICROINCHES OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A NUT THREAD |
| THREAD CLASS | 3A STUD THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 0.618 INCHES MINIMUM AND 0.619 INCHES MAXIMUM NUT THREAD |
| THREAD LENGTH | 1.062 INCHES NOMINAL STUD THREAD |
| THREAD QUANTITY PER INCH | 20 NUT THREAD |
| THREAD SERIES DESIGNATOR | UNF NUT THREAD |