| HARDNESS RATING | 24.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM |
| OVERALL LENGTH | 2.050 INCHES MINIMUM AND 2.070 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL | IRON ALLOY 660 |
| NOMINAL THREAD SIZE | 0.438 INCHES STUD THREAD |
| NUT END SHANK DIAMETER | 0.330 INCHES NOMINAL |
| NUT END SHANK LENGTH | 0.278 INCHES MINIMUM AND 0.298 INCHES MAXIMUM |
| SHOULDER DIAMETER | 0.548 INCHES MINIMUM AND 0.552 INCHES MAXIMUM |
| SHOULDER LENGTH | 0.093 INCHES MINIMUM AND 0.095 INCHES MAXIMUM |
| STUD END SHANK DIAMETER | 0.310 INCHES NOMINAL |
| STUD END SHANK LENGTH | 0.600 INCHES NOMINAL |
| STYLE DESIGNATOR | SHOULDERED AND STEPPED |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 1A NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 0.496 INCHES NOMINAL NUT THREAD |
| THREAD LENGTH | 0.871 INCHES NOMINAL STUD THREAD |
| THREAD PITCH DIAMETERS | +0.4052 TO 0.4067 INCHES STUD THREAD |
| THREAD SERIES DESIGNATOR | UNS STUD THREAD |
| THREAD QUANTITY PER INCH | 14 STUD THREAD |