| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.875 INCHES |
| THREAD QUANTITY PER INCH | 14 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.244 INCHES MINIMUM |
| FASTENER LENGTH | 3.004 INCHES MINIMUM AND |
| 3.024 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 414 OR |
| STEEL COMP E4340 OVERALL |
| SURFACE TREATMENT | CADMIUM AND |
| CHROMATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2, CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND |
| 43.0 ROCKWELL C MAXIMUM OVERALL |
| MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
| HEAD STYLE | DOUBLE HEXAGON W/HOLE |
| HEAD HEIGHT | 0.808 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 0.828 INCHES MINIMUM AND |
| 0.940 INCHES MAXIMUM |
| EXTENDED WASHER DIAMETER | 1.428 INCHES MINIMUM AND |
| 1.438 INCHES MAXIMUM |
| EXTENDED WASHER THICKNESS | 0.198 INCHES NOMINAL |
| HOLE CONFIGURATION STYLE | DOUBLE HEXAGON LONGITUDINAL HOLE |
| HOLE TYPE | DRILLED |
| HOLE QUANTITY | 4 |
| HOLE DIAMETER | 0.050 INCHES MINIMUM AND |
| 0.060 INCHES MAXIMUM |
| GRIP LENGTH | 1.740 INCHES MINIMUM AND |
| 1.760 INCHES MAXIMUM |
| GRIP DIAMETER | 0.8730 INCHES MINIMUM AND |
| 0.8740 INCHES MAXIMUM |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT, TENSION, STEEL, EXTERNAL WRENCHING, FLANGED, 12 POINT, 180 KSI FTU |