| FASTENER LENGTH | 3.130 INCHES MINIMUM AND 3.160 INCHES MAXIMUM |
| GRIP DIAMETER | 1.0136 INCHES MINIMUM AND 1.0146 INCHES MAXIMUM |
| GRIP LENGTH | 2.240 INCHES MINIMUM AND 2.260 INCHES MAXIMUM |
| HEAD HEIGHT | 0.500 INCHES NOMINAL |
| HEAD STYLE | HEXAGON |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT, TENSION, HEX HEAD CLOSE TOLERANCE |
| MATERIAL | STEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 8740 OVERALL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 1.000 INCHES |
| WIDTH BETWEEN FLATS | 1.427 INCHES MINIMUM AND 1.440 INCHES MAXIMUM |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.895 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 12 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |