| DIAMETER | 0.310 INCHES MINIMUM AND 0.311 INCHES MAXIMUM |
| FIRST END COUNTERBORE DEPTH | 0.215 INCHES MINIMUM AND 0.217 INCHES MAXIMUM |
| FIRST END COUNTERBORE DIAMETER | 0.156 INCHES MINIMUM AND 0.161 INCHES MAXIMUM |
| FIRST END STYLE | COUNTERBORED W/O THRU HOLE |
| HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD STYLE | FLAT |
| HEIGHT | 0.062 INCHES NOMINAL |
| INTERNAL DRIVE STYLE | TORQUE |
| MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 630 OVERALL |
| PIN HEAD DIAMETER | 0.375 INCHES NOMINAL |
| SPECIAL FEATURES | 0.073 IN. MIN AND 0.083 IN. MAX EXTENSION LG; 0.215 IN. MIN AND 0.217 IN. MAX OD |
| STYLE DESIGNATOR | GROOVE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-L-46010 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | LUBRICANT OVERALL |
| UNDER HEAD LENGTH | 1.328 INCHES NOMINAL |
| UNDERCUT WIDTH | 0.031 INCHES NOMINAL |
| UNDERCUT DIAMETER | 0.280 INCHES NOMINAL |