| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.544 INCHES MINIMUM AND 2.559 INCHES MAXIMUM THREADS |
| FASTENER LENGTH | 1.778 INCHES MINIMUM AND 1.808 INCHES MAXIMUM |
| GRIP LENGTH | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM |
| GRIP DIAMETER | 0.623 INCHES MINIMUM AND 0.624 INCHES MAXIMUM |
| HEAD HEIGHT | 0.312 INCHES MINIMUM AND 0.327 INCHES MAXIMUM |
| HEAD STYLE | DISHED HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR AMS6322 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4340 OR STEEL COMP 8735 OVERALL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| MINIMUM YIELD STRENGTH | 45000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.625 INCHES |
| SHANK UNTHREADED HOLE DIAMETER | 0.141 INCHES MINIMUM AND 0.151 INCHES MAXIMUM THREADS |
| WIDTH BETWEEN FLATS | 0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-C-320, TYPE 1, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE BEARING SURFACE OF HEAD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-C-320, TYPE 1, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE GRIP |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TYPE 2, CLASS 2 FED SPEC ALL TREATMENT RESPONSES FASTENER |
| SURFACE TREATMENT | CHROMIUM BEARING SURFACE OF HEAD |
| SURFACE TREATMENT | CHROMIUM GRIP |
| SURFACE TREATMENT | CADMIUM AND CHROMATE FASTENER |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.543 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 18 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |