| FIRST STEP DIAMETER | 0.560 INCHES NOMINAL |
| INTERNAL DRIVE STYLE | SOCKET |
| OVERALL LENGTH | 1.297 INCHES MINIMUM AND 1.327 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-S-6758 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4140 AND STEEL COMP 4130 OVERALL |
| NUMERIC DESIGNATION OF STEP ECCENTRIC TO HEAD | 2 |
| WIDTH BETWEEN FLATS | 0.380 INCHES NOMINAL |
| STYLE DESIGNATOR | ECCENTRIC |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| THIRD STEP DIAMETER | 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| THIRD STEP LENGTH | 0.670 INCHES NOMINAL |