| DRIVE END HEAD THICKNESS | 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| DRIVE END OUTSIDE DIAMETER | 0.719 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| DRIVE SURFACE SIZE | 0.375 INCHES NOMINAL SINGLE END |
| DRIVE END SHAPE | SQUARE SINGLE END INTERNAL |
| OVERALL LENGTH | 2.946 INCHES MINIMUM AND 2.982 INCHES MAXIMUM |
| MATERIAL | STEEL OVERALL |
| WRENCHING END HEAD THICKNESS | 0.219 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| WRENCHING END OUTSIDE DIAMETER | 0.443 INCHES MINIMUM AND 0.453 INCHES MAXIMUM |
| WRENCHING SURFACE SHAPE | 12 POINT SINGLE END INTERNAL |
| WRENCHING SURFACE SIZE | 0.312 INCHES NOMINAL SINGLE END |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2485 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | OXIDE OVERALL |