| FASTENER LENGTH | 1.642 INCHES MINIMUM AND 1.672 INCHES MAXIMUM |
| GRIP DIAMETER | 0.2016 INCHES MINIMUM AND 0.2026 INCHES MAXIMUM |
| GRIP LENGTH | 1.302 INCHES MINIMUM AND 1.322 INCHES MAXIMUM |
| HEAD HEIGHT | 0.110 INCHES MINIMUM AND 0.125 INCHES MAXIMUM |
| HEAD STYLE | UNDERCUT HEXAGON |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT, TENSION HEX HEAD CLOSE TOLERANCE |
| MATERIAL | STEEL COMP 4340 OR STEEL COMP 8740 OVERALL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| WIDTH BETWEEN FLATS | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.345 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |