| DISTANCE ACROSS FLATS | 0.938 INCHES NOMINAL |
| HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
| OVERALL LENGTH | 2.640 INCHES MINIMUM AND 2.680 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 416 |
| NOMINAL THREAD SIZE | 0.625 INCHES NUT THREAD |
| NUT END SHANK DIAMETER | 0.625 INCHES NOMINAL |
| NUT END SHANK LENGTH | 0.188 INCHES MINIMUM AND 0.198 INCHES MAXIMUM |
| SHOULDER LENGTH | 0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM |
| STUD END SHANK DIAMETER | 0.625 INCHES NOMINAL |
| STUD END SHANK LENGTH | 0.270 INCHES NOMINAL |
| STYLE DESIGNATOR | SHOULDERED |
| SURFACE FINISH | 250.0 MICROINCHES OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 2A NUT THREAD |
| THREAD CLASS | 2A STUD THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 1.120 INCHES NOMINAL NUT THREAD |
| THREAD LENGTH | 0.900 INCHES NOMINAL STUD THREAD |
| THREAD QUANTITY PER INCH | 11 NUT THREAD |
| THREAD SERIES DESIGNATOR | UNC NUT THREAD |