| DISTANCE ACROSS FLATS | 1.423 INCHES MINIMUM AND 1.453 INCHES MAXIMUM |
| OVERALL LENGTH | 3.260 INCHES MINIMUM AND 3.270 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 1045 |
| NOMINAL THREAD SIZE | 0.625 INCHES NUT THREAD |
| NOMINAL THREAD SIZE | 0.664 INCHES STUD THREAD |
| NUT END SHANK DIAMETER | 0.7495 INCHES MINIMUM AND 0.7501 INCHES MAXIMUM |
| NUT END SHANK LENGTH | 0.360 INCHES MINIMUM AND 0.370 INCHES MAXIMUM |
| SHOULDER LENGTH | 0.910 INCHES MINIMUM AND 0.920 INCHES MAXIMUM |
| STUD END SHANK DIAMETER | 0.7495 INCHES MINIMUM AND 0.7501 INCHES MAXIMUM |
| STUD END SHANK LENGTH | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM |
| STYLE DESIGNATOR | SHOULDERED |
| THREAD CLASS | 2A NUT THREAD |
| THREAD CLASS | 2A STUD THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 0.418 INCHES NOMINAL STUD THREAD |
| THREAD LENGTH | 0.818 INCHES NOMINAL NUT THREAD |
| THREAD QUANTITY PER INCH | 18 NUT THREAD |
| THREAD QUANTITY PER INCH | 32 STUD THREAD |
| THREAD SERIES DESIGNATOR | UNF NUT THREAD |
| THREAD SERIES DESIGNATOR | UNS STUD THREAD |