| DISTANCE FROM CENTERLINE TO FLAT | 0.024 INCHES MINIMUM AND 0.026 INCHES MAXIMUM |
| FIRST END STYLE | SQUARE |
| FIRST STEP LENGTH | 0.035 INCHES MINIMUM AND 0.040 INCHES MAXIMUM |
| FIRST STEP DIAMETER | 0.050 INCHES MINIMUM AND 0.051 INCHES MAXIMUM |
| HEAD STYLE | DEE |
| HEIGHT | 0.009 INCHES MINIMUM AND 0.015 INCHES MAXIMUM |
| MATERIAL | COPPER ALLOY 360 OVERALL |
| PIN HEAD DIAMETER | 0.078 INCHES MINIMUM AND 0.083 INCHES MAXIMUM |
| SECOND STEP DIAMETER | 0.038 INCHES MINIMUM AND 0.042 INCHES MAXIMUM |
| SECOND STEP LENGTH | 0.062 INCHES MINIMUM AND 0.071 INCHES MAXIMUM |
| STYLE DESIGNATOR | SHOULDER |
| UNDER HEAD LENGTH | 0.102 INCHES MINIMUM AND 0.106 INCHES MAXIMUM |