| FIRST END LOCATION | BOTH ENDS |
| FIRST END STYLE | SQUARE |
| INTERNAL DRIVE STYLE | SLOT |
| OVERALL LENGTH | 2.470 INCHES MINIMUM AND 2.530 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4130 OVERALL |
| NOMINAL THREAD SIZE | 0.375 INCHES |
| SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| SECOND SHANK LENGTH | 1.160 INCHES MINIMUM AND 1.220 INCHES MAXIMUM |
| SECOND SHANK DIAMETER | 0.371 INCHES MINIMUM AND 0.374 INCHES MAXIMUM |
| SHANK DIAMETER | 0.312 INCHES MINIMUM AND 0.322 INCHES MAXIMUM |
| SHANK LENGTH | 0.530 INCHES MINIMUM AND 0.590 INCHES MAXIMUM |
| SHOULDER DIAMETER | 0.530 INCHES MINIMUM AND 0.590 INCHES MAXIMUM |
| STYLE DESIGNATOR | SHOULDER |
| SURFACE FINISH | 125.000 MICROINCHES OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.680 INCHES NOMINAL |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |