| EFFECTIVE LENGTH | 3.468 INCHES MINIMUM AND 3.488 INCHES MAXIMUM |
| DIAMETER | 0.185 INCHES MINIMUM AND 0.186 INCHES MAXIMUM |
| DISTANCE FROM CENTERLINE OF HOLE TO END OF PIN | 0.071 INCHES MINIMUM AND 0.076 INCHES MAXIMUM |
| FIRST END STYLE | SQUARE |
| FIRST HOLE DIAMETER | 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM |
| HARDNESS RATING | 40.0 ROCKWELL C NOMINAL OVERALL |
| HEAD STYLE | FLAT |
| HEIGHT | 0.062 INCHES NOMINAL |
| HOLE ARRANGEMENT STYLE | ONE END DRILLED |
| MATERIAL | STEEL COMP 4140 OVERALL |
| PIN HEAD DIAMETER | 0.250 INCHES NOMINAL |
| STYLE DESIGNATOR | GROOVE |
| SURFACE FINISH | 125.0 MICROINCHES HEAD BEARING SURFACE |
| SURFACE FINISH | 125.0 MICROINCHES HEAD OUTSIDE DIAMETER |
| SURFACE FINISH | 125.0 MICROINCHES HEAD TOP |
| SURFACE FINISH | 63.0 MICROINCHES LONG SHANK |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-14538A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CHROMIUM OVERALL |
| UNDER HEAD LENGTH | 3.548 INCHES NOMINAL |
| UNDERCUT DIAMETER | 0.174 INCHES MINIMUM AND 0.176 INCHES MAXIMUM |
| UNDERCUT WIDTH | 0.018 INCHES MINIMUM AND 0.020 INCHES MAXIMUM |