| COLOR | BLACK THREADS |
| EXTENDED WASHER THICKNESS | 0.032 INCHES MINIMUM AND 0.052 INCHES MAXIMUM |
| EXTENDED WASHER DIAMETER | 0.347 INCHES MINIMUM AND 0.361 INCHES MAXIMUM |
| FASTENER LENGTH | 1.360 INCHES MINIMUM AND 1.390 INCHES MAXIMUM |
| GRIP DIAMETER | 0.280 INCHES NOMINAL |
| GRIP LENGTH | 0.875 INCHES NOMINAL |
| HEAD HEIGHT | 0.225 INCHES MINIMUM AND 0.245 INCHES MAXIMUM |
| HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER |
| MATERIAL | NICKEL ALLOY 718 OVERALL |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT, 12 POINT HEAD, 220 KSI MIN TENSIL, 125 KSI MIN SHEAR, NICKEL ALLOY 718 |
| PROPRIETARY CHARACTERISTICS | PACS |
| MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| SINGLE SHEAR STRENGTH | 125000 POUNDS PER SQUARE INCH |
| SURFACE FINISH | 32.0 MICROINCHES FASTENER |
| SURFACE TREATMENT | ALUMINUM OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.500 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES DESIGNATOR | UNJF |