| DRIVE SURFACE SIZE | 0.759 INCHES MINIMUM AND 0.764 INCHES MAXIMUM SINGLE END |
| DRIVE END SHAPE | SQUARE SINGLE END INTERNAL |
| ANGLE BETWEEN LUGS | 43.0 DEGREES MINIMUM AND 47.0 DEGREES MAXIMUM |
| LUG LENGTH | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
| LUG WIDTH | 0.230 INCHES MINIMUM AND 0.235 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 2.490 INCHES MINIMUM AND 2.500 INCHES MAXIMUM |
| OVERALL LENGTH | 2.531 INCHES MINIMUM AND 2.595 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-T-570,CLASS L6 FED SPEC 1ST MATERIAL RESPONSE OR CARPENTER RDS,FSCM 73197 MFR REF 2ND MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| OPENING DIAMETER | 2.330 INCHES MINIMUM AND 2.350 INCHES MAXIMUM |
| STYLE DESIGNATOR | LUG |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | OXIDE OVERALL |