| 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 | 4.528 INCHES NOMINAL |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE AMS 5731 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OR |
| SAE AMS 5732 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OR |
| SAE AMS 5737 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OR |
| SAE AMS 5853 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | SAE AMS 2700,METHOD 1,TYPE 2 OR 8,CLASS 4 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HEAD STYLE | HEXAGON |
| HEAD DIAMETER | 0.741 INCHES MINIMUM AND |
| 0.752 INCHES MAXIMUM |
| HEAD INSIDE DIAMETER | 0.50 INCHES NOMINAL |
| HEAD HEIGHT | 0.250 INCHES NOMINAL |
| HEAD LENGTH | 0.836 INCHES NOMINAL |
| HOLE TYPE | DRILLED |
| HOLE QUANTITY | 3 |
| HOLE DIAMETER | 0.070 INCHES MINIMUM AND |
| 0.080 INCHES MAXIMUM |
| GRIP LENGTH | 4.00 INCHES NOMINAL |
| GRIP DIAMETER | 0.498 INCHES NOMINAL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT,CLOSE TOLERANCE |