| FIRST STEP LENGTH | 0.317 INCHES MINIMUM AND 0.323 INCHES MAXIMUM |
| FIRST STEP DIAMETER | 1.160 INCHES MINIMUM AND 1.180 INCHES MAXIMUM |
| HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND 41.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD STYLE | FLAT CHAMFER |
| HEIGHT | 0.317 INCHES MINIMUM AND 0.323 INCHES MAXIMUM |
| OVERALL LENGTH | 5.092 INCHES MINIMUM AND 5.100 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | FED-STD-66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL ALLOY OVERALL |
| NUMERIC DESIGNATION OF STEP ECCENTRIC TO HEAD | 4 |
| OFFSET DISTANCE BETWEEN GEOMETRIC CENTER OF HEAD AND CENTERLINE OF SHANK/SHOULDER | 0.115 INCHES NOMINAL |
| PIN HEAD DIAMETER | 1.160 INCHES MINIMUM AND 1.180 INCHES MAXIMUM |
| RELIEF UNDER HEAD DIAMETER | 0.940 INCHES MINIMUM AND 0.950 INCHES MAXIMUM |
| RELIEF UNDER HEAD LENGTH | 1.540 INCHES MINIMUM AND 1.570 INCHES MAXIMUM |
| SECOND STEP DIAMETER | 1.5001 INCHES MINIMUM AND 1.5003 INCHES MAXIMUM |
| SECOND STEP LENGTH | 3.235 INCHES MINIMUM AND 3.240 INCHES MAXIMUM |
| STYLE DESIGNATOR | ECCENTRIC |
| SURFACE FINISH | 16.0 MICROINCHES LONG END |