| DIAMETER | 0.594 INCHES MINIMUM AND 0.615 INCHES MAXIMUM |
| DRIVE TYPE | SOCKET |
| EXTENSION LENGTH | 0.248 INCHES MINIMUM AND 0.252 INCHES MAXIMUM |
| GRIP LENGTH | 1.430 INCHES NOMINAL |
| MATERIAL ACCOMMODATED THICKNESS | 1.061 INCHES MINIMUM AND 1.130 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6322 ASSN STD 1ST MATERIAL RESPONSE OVERALL OR MIL-S-626 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 8740 OVERALL OR STEEL COMP 4140 OVERALL |
| PROPRIETARY CHARACTERISTICS | PACS |
| SECURING DEVICE TYPE | RING |
| SPECIAL FEATURES | FOUR LEAD THD |
| STUD SHANK MAJOR DIAMETER | 0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM |
| STUD THREAD SIZE AND SERIES/TYPE DESIGNATOR | 0.250-28 UNF |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| TURNLOCK STUD HEAD STYLE | FILLISTER |
| TURNLOCK STUD SHANK STYLE | STUD SHANK |