| FIRST END LOCATION | BOTH ENDS |
| FIRST END STYLE | SQUARE |
| HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL |
| OVERALL LENGTH | 2.146 INCHES MINIMUM AND 2.166 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-16974 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4340 OVERALL |
| SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| SECOND SHANK DIAMETER | 0.310 INCHES MINIMUM AND 0.311 INCHES MAXIMUM |
| SECOND SHANK LENGTH | 0.379 INCHES MINIMUM AND 0.389 INCHES MAXIMUM |
| SHANK DIAMETER | 0.310 INCHES MINIMUM AND 0.311 INCHES MAXIMUM |
| SHANK LENGTH | 0.369 INCHES MINIMUM AND 0.379 INCHES MAXIMUM |
| SHOULDER DIAMETER | 0.3750 INCHES MINIMUM AND 0.3755 INCHES MAXIMUM |
| STYLE DESIGNATOR | SHOULDER |
| SURFACE FINISH | 63.0 MICROINCHES OUTSIDE DIAMETER |