| DRIVE SURFACE SIZE | 0.750 INCHES NOMINAL SINGLE END |
| DRIVE END SHAPE | SQUARE SINGLE END INTERNAL |
| ANGLE BETWEEN LUGS | 90.0 DEGREES NOMINAL |
| LUG LENGTH | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
| LUG WIDTH | 0.235 INCHES MINIMUM AND 0.245 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 3.370 INCHES NOMINAL |
| OVERALL LENGTH | 5.000 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4130 OVERALL |
| OPENING DIAMETER | 2.906 INCHES NOMINAL |
| STYLE DESIGNATOR | LUG |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-P-16232 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PHOSPHATE AND LACQUER OVERALL |