| FASTENER LENGTH | 2.656 INCHES MINIMUM AND 2.750 INCHES MAXIMUM |
| HEAD HEIGHT | 0.281 INCHES MINIMUM AND 0.291 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| LOCKING FEATURE | PELLET OR PATCH OR STRIP THREADS |
| MATERIAL | STEEL OVERALL |
| NOMINAL THREAD DIAMETER | 0.438 INCHES |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | TYPE AA HEXAGON LOCK BOLT |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.125 INCHES MINIMUM AND 1.313 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 14 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| WIDTH BETWEEN FLATS | 0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |