| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| THREAD QUANTITY PER INCH | 24 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.594 INCHES NOMINAL |
| FASTENER LENGTH | 1.498 INCHES MINIMUM AND |
| 1.528 INCHES MAXIMUM |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | A-286 AMS 5731,5732,5737,,5853 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 MIL SPEC ALL TREATMENT RESPONSES OVERALL |
| MINIMUM TENSILE STRENGTH | 7200 POUNDS PER SQUARE INCH |
| HEAD STYLE | FLAT COUNTERSUNK UNDERCUT |
| HEAD DIAMETER | 0.5149 INCHES MINIMUM AND |
| 0.5662 INCHES MAXIMUM |
| HEAD HEIGHT | 0.081 INCHES NOMINAL |
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND |
| 101.0 DEGREES MAXIMUM |
| INTERNAL DRIVE STYLE | TORQUE-SET RIBBED |
| GRIP LENGTH | 0.990 INCHES MINIMUM AND |
| 1.010 INCHES MAXIMUM |
| GRIP DIAMETER | 0.3735 INCHES MINIMUM AND |
| 0.3745 INCHES MAXIMUM |