| FASTENER LENGTH | 3.563 INCHES MINIMUM AND 3.593 INCHES MAXIMUM |
| GRIP DIAMETER | 0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM |
| GRIP LENGTH | 2.865 INCHES MINIMUM AND 2.885 INCHES MAXIMUM |
| HEAD HEIGHT | 0.188 INCHES MINIMUM AND 0.203 INCHES MAXIMUM |
| HEAD STYLE | DISHED HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | |
| MATERIAL | UNABLE TO DECODE |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT, HEX HEAD, CLOSE TOLERANCE, A286 CRES, LONG THREADS, SELF-LOCKING AND NONLOCKING |
| SURFACE FINISH | UNABLE TO DECODE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | UNABLE TO DECODE |
| SURFACE TREATMENT | |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.553 INCHES MINIMUM AND 0.603 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| WIDTH BETWEEN FLATS | 0.554 INCHES MINIMUM AND 0.564 INCHES MAXIMUM |