| FIRST END STYLE | SQUARE |
| FIRST STEP LENGTH | 0.800 INCHES NOMINAL |
| FIRST STEP DIAMETER | 0.215 INCHES MINIMUM AND 0.217 INCHES MAXIMUM |
| HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD STYLE | FLAT |
| HEIGHT | 0.050 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 630 OVERALL |
| PIN HEAD DIAMETER | 0.320 INCHES NOMINAL |
| SECOND STEP LENGTH | 0.180 INCHES NOMINAL |
| SECOND STEP DIAMETER | 0.184 INCHES MINIMUM AND 0.188 INCHES MAXIMUM |
| SPECIAL FEATURES | GROOVE ON SQUARE END 0.029 IN. WIDE AND 0.148 IN. DIA |
| STYLE DESIGNATOR | SHOULDER |
| SURFACE FINISH | 63.0 MICROINCHES OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| UNDER HEAD LENGTH | 0.975 INCHES MINIMUM AND 0.985 INCHES MAXIMUM |