| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 3.189 INCHES NOMINAL OVERALL |
| CRITICALITY CODE JUSTIFICATION | MDCL |
| FASTENER LENGTH | 3.390 INCHES NOMINAL |
| HEAD HEIGHT | 0.265 INCHES MINIMUM AND 0.297 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT,SHOULDER - HEXAGON HEAD |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-B-6812 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| NOMINAL THREAD DIAMETER | 0.438 INCHES |
| SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES NOMINAL OVERALL |
| SHOULDER LENGTH | 0.016 INCHES NOMINAL BEARING SURFACE OF HEAD |
| SHOULDER DIAMETER | 0.710 INCHES MINIMUM BEARING SURFACE OF HEAD |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| SPECIAL FEATURES | MATL IS ALLOY STEEL,HEAT TREATED 125K-145K PSI |
| WIDTH BETWEEN FLATS | 0.740 INCHES MINIMUM AND 0.752 INCHES MAXIMUM |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.593 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 20 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |