| DRIVE SURFACE SIZE | 0.503 INCHES MINIMUM AND 0.511 INCHES MAXIMUM SINGLE END |
| DRIVE END SHAPE | SQUARE SINGLE END INTERNAL |
| ANGLE BETWEEN LUGS | 27.7 DEGREES NOMINAL |
| LUG LENGTH | 0.120 INCHES MINIMUM AND 0.140 INCHES MAXIMUM |
| LUG WIDTH | 0.151 INCHES MINIMUM AND 0.153 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 3.172 INCHES MINIMUM AND 3.204 INCHES MAXIMUM |
| OVERALL LENGTH | 1.609 INCHES MINIMUM AND 1.641 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4340 OVERALL |
| OPENING DIAMETER | 2.800 INCHES MINIMUM AND 2.820 INCHES MAXIMUM |
| STYLE DESIGNATOR | LUG |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |