| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| THREAD LENGTH | 0.4690 INCHES NOMINAL |
| HEAD STYLE | FLAT COUNTERSUNK |
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.3125 INCHES |
| THREAD DIRECTION | RIGHT-HAND |
| FASTENER LENGTH | 0.4369 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 24 |
| THREAD CLASS | 3A |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS5732 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS5853 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS2700 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| HEAD DIAMETER | 0.5780 INCHES MINIMUM |
| HEAD HEIGHT | 0.015 INCHES NOMINAL |
| COUNTERSINK ANGLE | 99.0000 DEGREES MINIMUM AND |
| 101.0000 DEGREES MAXIMUM |
| HOLE TYPE | DRILLED |
| HOLE QUANTITY | 1 |
| HOLE DIAMETER | 0.0760 INCHES MINIMUM AND |
| 0.0860 INCHES MAXIMUM |
| GRIP LENGTH | 0.5000 INCHES NOMINAL |
| GRIP DIAMETER | 0.3115 INCHES MINIMUM AND |
| 0.3120 INCHES MAXIMUM |
| SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES MINIMUM AND |
| 0.086 INCHES MAXIMUM FIRST HOLE |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT 100 DEGREE FLUSH HEAD |