| DRIVE SURFACE SIZE | 0.503 INCHES MINIMUM AND 0.511 INCHES MAXIMUM SINGLE END |
| DRIVE END SHAPE | SQUARE SINGLE END INTERNAL |
| ANGLE BETWEEN LUGS | 90.0 DEGREES NOMINAL |
| LUG LENGTH | 0.200 INCHES NOMINAL |
| LUG WIDTH | 0.155 INCHES MINIMUM AND 0.160 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 1.123 INCHES MINIMUM AND 1.124 INCHES MAXIMUM |
| OVERALL LENGTH | 1.875 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66 FED STD 2ND MATERIAL RESPONSE OVERALL |
| MATERIAL | ALUMINUM ALLOY 2024 AND STEEL COMP 4340 OVERALL |
| OPENING DIAMETER | 0.862 INCHES MINIMUM AND 0.866 INCHES MAXIMUM |
| STYLE DESIGNATOR | LUG |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |