| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.3125 INCHES |
| THREAD QUANTITY PER INCH | 24 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.375 INCHES NOMINAL |
| FASTENER LENGTH | 0.9375 INCHES NOMINAL |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5629 AEROSPACE MATERIAL SPEC STD SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS-QQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| COLOR | WHITE HEAD |
| HEAD STYLE | FLAT COUNTERSUNK |
| HEAD DIAMETER | 0.477 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| INTERNAL DRIVE STYLE | TORQUE |
| GRIP LENGTH | 0.5625 INCHES NOMINAL |
| GRIP DIAMETER | 0.3115 INCHES MINIMUM AND |
| 0.3120 INCHES MAXIMUM |
| POINT STYLE | FLAT |
| POINT CHAMFER ANGLE | 45.0 DEGREES NOMINAL |
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.114 INCHES MINIMUM AND |
| 0.124 INCHES MAXIMUM THREADS |
| SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES MINIMUM AND |
| 0.081 INCHES MAXIMUM THREADS |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, MACHINE |