| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.19 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.276 INCHES NOMINAL |
| FASTENER LENGTH | 2.776 INCHES NOMINAL |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5731 NATIONAL STD ALL MATERIAL RESPONSES OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS2700 NATIONAL STD ALL TREATMENT RESPONSES OVERALL |
| HEAD STYLE | PAN |
| HEAD DIAMETER | 0.357 INCHES MINIMUM AND |
| 0.373 INCHES MAXIMUM |
| HEAD HEIGHT | 0.122 INCHES MINIMUM AND |
| 0.133 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) |
| GRIP LENGTH | 2.5 INCHES NOMINAL |
| GRIP DIAMETER | 0.1885 INCHES MINIMUM AND |
| 0.1895 INCHES MAXIMUM |
| POINT STYLE | POINTLESS |
| SPECIAL FEATURES | HEAT TREAT CRES: 160-190 KSI FTU |
| SPECIFICATION/STANDARD DATA | NAS1131 THRU NAS1138 REV 13/ NATIONAL STD/SPEC |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW |