| DRIVE SURFACE SIZE | 0.754 INCHES MINIMUM AND 0.765 INCHES MAXIMUM SINGLE END |
| DRIVE END SHAPE | SQUARE SINGLE END INTERNAL |
| ANGLE BETWEEN LUGS | 90.0 DEGREES NOMINAL |
| LUG LENGTH | 0.438 INCHES NOMINAL |
| LUG WIDTH | 0.158 INCHES MINIMUM AND 0.163 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 2.500 INCHES NOMINAL |
| OVERALL LENGTH | 1.500 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 COND C MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4130 OVERALL |
| OPENING DIAMETER | 1.960 INCHES MINIMUM AND 1.970 INCHES MAXIMUM |
| STYLE DESIGNATOR | LUG |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |