| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.500 INCHES |
| THREAD QUANTITY PER INCH | 2A |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.735 INCHES NOMINAL |
| FASTENER LENGTH | 2.907 INCHES MINIMUM AND |
| 2.937 INCHES MAXIMUM |
| MATERIAL | IRON ALLOY 660 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS 5853 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | ALUMINUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NAS 4006 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| HEAD STYLE | DISHED HEXAGON |
| HEAD HEIGHT | 0.250 INCHES MINIMUM AND |
| 0.265 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.741 INCHES MINIMUM AND |
| 0.752 INCHES MAXIMUM |
| GRIP LENGTH | 2.178 INCHES MINIMUM AND |
| 2.198 INCHES MAXIMUM |
| GRIP DIAMETER | 0.4985 INCHES MINIMUM AND |
| 0.4995 INCHES MAXIMUM |
| SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| 32.0 MICROINCHES GRIP |
| 32.0 MICROINCHES THREADS |
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.706 INCHES NOMINAL FIRST HOLE |
| SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES MINIMUM AND |
| 0.116 INCHES MAXIMUM FIRST HOLE |
| SPECIFICATION/STANDARD DATA | 80205-NAS6708 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |