| DRIVE SURFACE SIZE | 0.375 INCHES NOMINAL SINGLE END |
| DRIVE END SHAPE | SQUARE SINGLE END INTERNAL |
| ANGLE BETWEEN LUGS | 60.0 DEGREES NOMINAL |
| LUG LENGTH | 0.140 INCHES NOMINAL |
| LUG WIDTH | 0.088 INCHES MINIMUM AND 0.090 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 1.500 INCHES NOMINAL |
| OVERALL LENGTH | 1.688 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL COMP 4130 AND STEEL COMP 1020 OVERALL |
| OPENING DIAMETER | 0.696 INCHES MINIMUM AND 0.699 INCHES MAXIMUM |
| STYLE DESIGNATOR | LUG |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |