| FASTENER LENGTH | 2.539 INCHES NOMINAL |
| FEATURES PROVIDED | CETYL ALCOHOL LUBRICANT |
| GRIP DIAMETER | 0.529 INCHES MINIMUM AND 0.530 INCHES MAXIMUM |
| GRIP LENGTH | 1.750 INCHES NOMINAL |
| HEAD HEIGHT | 0.386 INCHES MINIMUM AND 0.416 INCHES MAXIMUM |
| HEAD STYLE | DOUBLE HEXAGON |
| MATERIAL | STEEL COMP H11 OVERALL |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT, DOUBLE HEXAGON TENSION LIGHTWEIGHT |
| PROPRIETARY CHARACTERISTICS | PACS |
| MINIMUM TENSILE STRENGTH | 260000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.500 INCHES |
| WIDTH BETWEEN FLATS | 0.818 INCHES MINIMUM AND 0.828 INCHES MAXIMUM |
| SURFACE TREATMENT | NICKEL AND CADMIUM AND CHROMATE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.789 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 20 |
| THREAD SERIES DESIGNATOR | UNJF |