| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.323 INCHES NOMINAL |
| FASTENER LENGTH | 4.308 INCHES MINIMUM AND |
| 4.338 INCHES MAXIMUM |
| MATERIAL | IRON ALLOY 660 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| HEAD STYLE | DISHED HEXAGON |
| HEAD HEIGHT | 0.110 INCHES MINIMUM AND |
| 0.125 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.367 INCHES MINIMUM AND |
| 0.376 INCHES MAXIMUM |
| GRIP LENGTH | 3.990 INCHES MINIMUM AND |
| 4.010 INCHES MAXIMUM |
| GRIP DIAMETER | 0.1890 INCHES MINIMUM AND |
| 0.1895 INCHES MAXIMUM |
| SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| 32.0 MICROINCHES GRIP |
| 32.0 MICROINCHES THREADS |
| SPECIFICATION/STANDARD DATA | 80205-NAS6303 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT, HEX HEAD |