| DRIVE SURFACE SIZE | 0.504 INCHES MINIMUM AND 0.513 INCHES MAXIMUM SINGLE END |
| DRIVE END SHAPE | SQUARE SINGLE END INTERNAL |
| ANGLE BETWEEN LUGS | 90.0 DEGREES NOMINAL |
| LUG LENGTH | 0.276 INCHES MINIMUM AND 0.281 INCHES MAXIMUM |
| LUG WIDTH | 0.167 INCHES MINIMUM AND 0.172 INCHES MAXIMUM |
| OVERALL LENGTH | 4.340 INCHES MINIMUM AND 4.400 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4340 OVERALL |
| OPENING DIAMETER | 1.520 INCHES MINIMUM AND 1.525 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 2.090 INCHES MINIMUM AND 2.150 INCHES MAXIMUM |
| SPECIAL MARKINGS | TORQUE TO 100 FT. POUNDS |
| STYLE DESIGNATOR | LUG |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 1,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |