| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.5625 INCHES |
| THREAD QUANTITY PER INCH | 18 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.852 INCHES NOMINAL |
| FASTENER LENGTH | 1.747 INCHES NOMINAL |
| MATERIAL | STEEL COMP 4140 OR |
| STEEL COMP 4340 OR |
| STEEL COMP 8740 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS6382 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS6415 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS6484 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS6322 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS6325 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS6327 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS-QQ-P-416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
| HEAD STYLE | DOUBLE HEXAGON W/HOLE |
| HEAD HEIGHT | 0.557 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 0.6250 INCHES NOMINAL |
| EXTENDED WASHER DIAMETER | 0.928 INCHES MINIMUM AND |
| 0.938 INCHES MAXIMUM |
| EXTENDED WASHER THICKNESS | 0.133 INCHES NOMINAL |
| GRIP LENGTH | 0.865 INCHES MINIMUM AND |
| 0.885 INCHES MAXIMUM |
| GRIP DIAMETER | 0.5605 INCHES MINIMUM AND |
| 0.5615 INCHES MAXIMUM |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT, TENSION, STEEL EXTERNAL WRENCHING |