| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.643 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNJF |
| COLOR | BLACK THREADS |
| EXTENDED WASHER THICKNESS | 0.081 INCHES MINIMUM AND 0.101 INCHES MAXIMUM |
| EXTENDED WASHER DIAMETER | 0.490 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
| FASTENER LENGTH | 1.628 INCHES MINIMUM AND 1.658 INCHES MAXIMUM |
| GRIP DIAMETER | 0.4043 INCHES MINIMUM AND 0.4057 INCHES MAXIMUM |
| GRIP LENGTH | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM |
| HEAD HEIGHT | 0.330 INCHES MINIMUM AND 0.350 INCHES MAXIMUM |
| HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5662 OR AMS 5962 NATIONAL STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | NICKEL ALLOY 718 OVERALL |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT,12 POINT HEAD,220 KSI MIN TENSILE,125 KSI MIN SHEAR,NICKEL ALLOY 718(NOMINAL AND OVERSIZE) |
| PROPRIETARY CHARACTERISTICS | PACS |
| MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.3750 INCHES |
| SINGLE SHEAR STRENGTH | 125000 POUNDS PER SQUARE INCH |
| SPECIFICATION/STANDARD DATA | 81205-BACB30US MANUFACTURERS STANDARD |
| WIDTH BETWEEN FLATS | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM |
| SURFACE FINISH | 32.0 MICROINCHES FASTENER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | BMS10-85,TYPE 1,CLASS A MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ALUMINUM OVERALL |
| THREAD CLASS | 3A |