| FIRST END STYLE | SQUARE |
| FIRST STEP DIAMETER | 0.180 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |
| FIRST STEP LENGTH | 0.390 INCHES MINIMUM AND 0.400 INCHES MAXIMUM |
| HEAD STYLE | FLAT CHAMFER |
| HEIGHT | 0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 304 OVERALL |
| PIN HEAD DIAMETER | 0.300 INCHES MINIMUM AND 0.310 INCHES MAXIMUM |
| SECOND STEP DIAMETER | 0.368 INCHES MINIMUM AND 0.370 INCHES MAXIMUM |
| SECOND STEP LENGTH | 0.400 INCHES MINIMUM AND 0.420 INCHES MAXIMUM |
| THIRD STEP DIAMETER | 0.187 INCHES MINIMUM AND 0.189 INCHES MAXIMUM |
| THIRD STEP LENGTH | 1.410 INCHES MINIMUM AND 1.420 INCHES MAXIMUM |
| UNDER HEAD LENGTH | 2.200 INCHES MINIMUM AND 2.230 INCHES MAXIMUM |