| FIRST END STYLE | SQUARE |
| FIRST STEP LENGTH | 0.025 INCHES MINIMUM AND 0.035 INCHES MAXIMUM |
| FIRST STEP DIAMETER | 0.280 INCHES MINIMUM AND 0.290 INCHES MAXIMUM |
| HARDNESS RATING | 31.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD STYLE | FILLISTER |
| HEIGHT | 0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 630 OVERALL |
| PIN HEAD DIAMETER | 0.350 INCHES MINIMUM AND 0.360 INCHES MAXIMUM |
| SECOND STEP DIAMETER | 0.1260 INCHES MINIMUM AND 0.1265 INCHES MAXIMUM |
| SECOND STEP LENGTH | 0.530 INCHES MINIMUM AND 0.540 INCHES MAXIMUM |
| STYLE DESIGNATOR | SHOULDER |
| SURFACE FINISH | 16.0 MICROINCHES OUTSIDE DIAMETER |
| THIRD STEP DIAMETER | 0.045 INCHES MINIMUM AND 0.050 INCHES MAXIMUM |
| THIRD STEP LENGTH | 0.265 INCHES MINIMUM AND 0.285 INCHES MAXIMUM |
| UNDER HEAD LENGTH | 0.830 INCHES MINIMUM AND 0.850 INCHES MAXIMUM |