| FASTENER LENGTH | 1.360 INCHES MINIMUM AND 1.390 INCHES MAXIMUM |
| HEAD HEIGHT | 0.250 INCHES MINIMUM AND 0.265 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| LOCKING FEATURE | PELLET THREADS |
| MATERIAL | NICKEL ALLOY K-500 AND NICKEL ALLOY 502 OVERALL |
| MATERIAL | PLASTIC NYLON LOCKING FEATURE |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT, HEX HEAD SELF-LOCKING |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD DIAMETER | 0.500 INCHES |
| WIDTH BETWEEN FLATS | 0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.900 INCHES MINIMUM |
| THREAD QUANTITY PER INCH | 20 |
| THREAD SERIES DESIGNATOR | UNF |