| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.3125 INCHES |
| THREAD QUANTITY PER INCH | 24 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.501 INCHES NOMINAL |
| FASTENER LENGTH | 1.174 INCHES MINIMUM AND |
| 1.204 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 4140 OR |
| STEEL COMP 4340 OR |
| STEEL COMP 8740 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS6382 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS6415 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS6484 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AM6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMSQQP416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| HEAD STYLE | FLAT COUNTERSUNK |
| HEAD DIAMETER | 0.4787 INCHES NOMINAL |
| HEAD HEIGHT | 0.070 INCHES NOMINAL |
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND |
| 101.0 DEGREES MAXIMUM |
| INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) |
| GRIP LENGTH | 0.678 INCHES MINIMUM AND |
| 0.698 INCHES MAXIMUM |
| GRIP DIAMETER | 0.3110 INCHES MINIMUM AND |
| 0.3120 INCHES MAXIMUM |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT SHEAR |