| HEAD STYLE | HEXAGON EXTENDED WASHER |
| INTERNAL DRIVE STYLE | SLOT |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT, ECCENTRIC, FWD UPLOCK, NLG DOORS |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD DIAMETER | 0.3125 INCHES |
| SPECIAL FEATURES | FRACTURE CRITICAL |
| WIDTH BETWEEN FLATS | 0.6780 INCHES MINIMUM AND 0.6900 INCHES MAXIMUM |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNJF |
| CRITICALITY CODE JUSTIFICATION | FEAT |
| EXTENDED WASHER THICKNESS | 0.0730 INCHES MINIMUM AND 0.0870 INCHES MAXIMUM |
| EXTENDED WASHER DIAMETER | 1.0600 INCHES NOMINAL |
| FASTENER LENGTH | 2.773 INCHES NOMINAL |
| HEAD HEIGHT | 0.2790 INCHES MINIMUM AND 0.2930 INCHES MAXIMUM |