| DRIVE SURFACE SIZE | 0.378 INCHES MINIMUM AND 0.385 INCHES MAXIMUM SINGLE END |
| DRIVE END SHAPE | SQUARE SINGLE END INTERNAL |
| ANGLE BETWEEN LUGS | 59.0 DEGREES MINIMUM AND 61.0 DEGREES MAXIMUM |
| LUG LENGTH | 0.215 INCHES MINIMUM AND 0.235 INCHES MAXIMUM |
| LUG WIDTH | 0.173 INCHES MINIMUM AND 0.175 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 0.935 INCHES MINIMUM AND 0.945 INCHES MAXIMUM |
| OVERALL LENGTH | 1.540 INCHES MINIMUM AND 1.560 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4340 OVERALL |
| OPENING DIAMETER | 0.650 INCHES MINIMUM AND 0.660 INCHES MAXIMUM |
| STYLE DESIGNATOR | LUG |
| SURFACE TREATMENT | CADMIUM OVERALL |