| DRIVE END SHAPE | SQUARE SINGLE END INTERNAL |
| DRIVE SURFACE SIZE | 0.504 INCHES MINIMUM AND 0.506 INCHES MAXIMUM SINGLE END |
| ANGLE BETWEEN LUGS | 120.0 DEGREES NOMINAL |
| LUG LENGTH | 0.281 INCHES NOMINAL |
| LUG WIDTH | 0.233 INCHES MINIMUM AND 0.235 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 1.141 INCHES NOMINAL |
| OVERALL LENGTH | 1.250 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A681 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| OPENING DIAMETER | 0.750 INCHES NOMINAL |
| STYLE DESIGNATOR | LUG |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | OXIDE OVERALL |