| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| THREAD QUANTITY PER INCH | 24 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.3593 INCHES NOMINAL |
| FASTENER LENGTH | 3.4058 INCHES MINIMUM AND |
| 3.4528 INCHES MAXIMUM |
| MATERIAL | STEEL OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TYPE II, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| MINIMUM TENSILE STRENGTH | 5 POUNDS PER SQUARE INCH |
| HEAD STYLE | HEXAGON |
| HEAD HEIGHT | 0.172 INCHES MINIMUM AND |
| 0.204 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.552 INCHES MINIMUM AND |
| 0.564 INCHES MAXIMUM |
| HOLE DIAMETER | 0.106 INCHES MINIMUM AND |
| 0.116 INCHES MAXIMUM |
| GRIP LENGTH | 3.0625 INCHES NOMINAL |
| GRIP DIAMETER | 0.3733 INCHES MINIMUM AND |
| 0.3751 INCHES MAXIMUM |
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 3.2655 INCHES MINIMUM AND |
| 3.2975 INCHES MAXIMUM BEARING SURFACE OF HEAD |
| SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES MINIMUM AND |
| 0.116 INCHES MAXIMUM OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT, SHEAR, CLOSE TOLERANCE |