| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.500 INCHES |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.528 INCHES NOMINAL |
| FASTENER LENGTH | 0.716 INCHES NOMINAL |
| 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 OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TYII, CL2 FED SPEC 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 | 0.188 INCHES NOMINAL |
| GRIP DIAMETER | 0.498 INCHES MINIMUM AND |
| 0.499 INCHES MAXIMUM |
| SPECIFICATION/STANDARD DATA | 80205-NAS6308 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT, TENSION, HEX HEAD, CLOSE TOLERANCE |