| FIRST END STYLE | CHAMFERED |
| FIRST END TAPER LENGTH | 0.093 INCHES NOMINAL |
| FIRST STEP LENGTH | 0.183 INCHES MINIMUM AND 0.193 INCHES MAXIMUM |
| FIRST STEP DIAMETER | 0.307 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| HEAD STYLE | FLAT CHAMFER |
| HEIGHT | 0.100 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-639 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | COPPER ALLOY 462 OVERALL |
| SPECIAL FEATURES | 0.187 IN. DIA EYE RING ATTACHED TO HEAD |
| PIN HEAD DIAMETER | 0.495 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| SECOND STEP DIAMETER | 0.183 INCHES MINIMUM AND 0.193 INCHES MAXIMUM |
| SECOND STEP LENGTH | 0.834 INCHES MINIMUM AND 0.854 INCHES MAXIMUM |
| STYLE DESIGNATOR | SHOULDER |
| THIRD STEP DIAMETER | 0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM |
| THIRD STEP LENGTH | 0.838 INCHES MINIMUM AND 0.848 INCHES MAXIMUM |
| UNDER HEAD LENGTH | 1.870 INCHES MINIMUM AND 1.880 INCHES MAXIMUM |