| DRIVE END SHAPE | SQUARE SECOND END INTERNAL |
| DRIVE SURFACE SIZE | 0.503 INCHES MINIMUM SINGLE END AND 0.511 INCHES MAXIMUM SINGLE END |
| OVERALL LENGTH | 6.090 INCHES MINIMUM AND 6.125 INCHES MAXIMUM |
| OVERALL WIDTH | 0.530 INCHES MINIMUM AND 0.590 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18729,COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4130 OVERALL |
| SPECIAL FEATURES | BOSS WELDED TO DRIVE END,MATL STEEL,MIL-S-6758 COMPOSITION 4130 CONDITION C,0.380 IN. NOM THK |
| WRENCHING SURFACE SHAPE | 12 POINT FIRST END INTERNAL |
| WRENCHING SURFACE SIZE | 0.755 INCHES MINIMUM SINGLE END AND 0.763 INCHES MAXIMUM SINGLE END |
| STYLE DESIGNATOR | STRAIGHT SINGLE HEAD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 1,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |