| NOMINAL THREAD DIAMETER | 0.562 INCHES |
| WIDTH BETWEEN FLATS | 0.798 INCHES MINIMUM AND 0.812 INCHES MAXIMUM |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 3.375 INCHES MINIMUM AND 3.500 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 12 |
| THREAD SERIES DESIGNATOR | UNC |
| FASTENER LENGTH | 4.970 INCHES MINIMUM AND 5.030 INCHES MAXIMUM |
| HEAD HEIGHT | 0.348 INCHES MINIMUM AND 0.371 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| MATERIAL | NICKEL ALLOY K-500 AND NICKEL ALLOY 502 OVERALL |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT HEX HEAD |
| PROPRIETARY CHARACTERISTICS | PACS |