| DRIVE TYPE | SOCKET |
| DIAMETER | 0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM |
| EXTENSION LENGTH | 0.210 INCHES NOMINAL |
| GRIP LENGTH | 0.093 INCHES MINIMUM AND 0.150 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD 1ST MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 8740 OR STEEL COMP 4140 OVERALL |
| SECURING DEVICE TYPE | WASHER |
| TURNLOCK STUD SHANK STYLE | STUD SHANK |
| TURNLOCK STUD HEAD STYLE | FILLISTER |
| STUD SHANK MAJOR DIAMETER | 0.2470 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| STUD THREAD SIZE AND SERIES/TYPE DESIGNATOR | 0.164-32 UNIFIED NATIONAL COARSE (UNC) |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OR CHROMATE OVERALL |