| EXTENDED WASHER DIAMETER | 0.818 INCHES MINIMUM AND 0.828 INCHES MAXIMUM |
| EXTENDED WASHER THICKNESS | 0.113 INCHES MINIMUM AND 0.133 INCHES MAXIMUM |
| FASTENER LENGTH | 2.976 INCHES MINIMUM AND 3.006 INCHES MAXIMUM |
| GRIP DIAMETER | 0.4985 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM |
| GRIP LENGTH | 2.240 INCHES MINIMUM AND 2.260 INCHES MAXIMUM |
| HEAD HEIGHT | 0.494 INCHES MINIMUM AND 0.514 INCHES MAXIMUM |
| HEAD STYLE | DOUBLE HEXAGON W/HOLE |
| HOLE DIAMETER | 0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM |
| HOLE QUANTITY | 4 |
| HOLE TYPE | DRILLED |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT-TWELVE POINT-EXTERNAL WRENCHING |
| MATERIAL | STEEL COMP E4340 OR STEEL COMP 4140 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL |
| MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.500 INCHES |
| WIDTH BETWEEN FLATS | 0.556 INCHES MINIMUM AND 0.565 INCHES MAXIMUM |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.741 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 20 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |