| FASTENER LENGTH | 1.548 INCHES MINIMUM AND 1.578 INCHES MAXIMUM |
| GRIP DIAMETER | 0.3266 INCHES MINIMUM AND 0.3276 INCHES MAXIMUM |
| HEAD HEIGHT | 0.156 INCHES MINIMUM AND 0.171 INCHES MAXIMUM |
| HEAD STYLE | DISHED HEXAGON |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT |
| MATERIAL | UNABLE TO DECODE |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| SPECIAL FEATURES | MATERIAL: A-286 PER AMS 5731 OR AMS 5737 |
| SURFACE TREATMENT | UNABLE TO DECODE |
| THREAD CLASS | 3A |
| THREAD LENGTH | 0.438 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNJEF |
| WIDTH BETWEEN FLATS | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM |