| EXTENDED WASHER DIAMETER | 0.639 INCHES MINIMUM AND 0.649 INCHES MAXIMUM |
| EXTENDED WASHER THICKNESS | 0.081 INCHES MINIMUM AND 0.101 INCHES MAXIMUM |
| FASTENER LENGTH | 1.172 INCHES MINIMUM AND 1.202 INCHES MAXIMUM |
| GRIP DIAMETER | 0.4043 INCHES NOMINAL |
| GRIP LENGTH | 0.534 INCHES MINIMUM AND 0.554 INCHES MAXIMUM |
| HEAD HEIGHT | 0.330 INCHES MINIMUM AND 0.350 INCHES MAXIMUM |
| HEAD STYLE | DOUBLE HEXAGON W/HOLE |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT, 12 POINT HEAD |
| MATERIAL | NICKEL ALLOY 718 OVERALL |
| MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| WIDTH BETWEEN FLATS | 0.490 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
| SURFACE TREATMENT | ALUMINUM OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.643 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |