| FASTENER LENGTH | 4.240 INCHES MINIMUM AND 4.260 INCHES MAXIMUM |
| FEATURES PROVIDED | DRY FILM LUBRICANT |
| HEAD HEIGHT | 0.219 INCHES NOMINAL |
| HEAD STYLE | HEXAGON |
| HOLE CONFIGURATION STYLE | HEXAGON LONGITUDINAL HOLE |
| HOLE DIAMETER | 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM |
| HOLE QUANTITY | 1 |
| HOLE TYPE | DRILLED |
| INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | IRON ALLOY 660 OVERALL |
| NOMINAL THREAD DIAMETER | 0.312 INCHES |
| POINT LENGTH | 3.580 INCHES MINIMUM AND 3.660 INCHES MAXIMUM |
| POINT STYLE | FLAT |
| POINT CHAMFER ANGLE | 42.0 DEGREES MINIMUM AND 48.0 DEGREES MAXIMUM |
| POINT DIAMETER | 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.600 INCHES MINIMUM AND 0.660 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNJF |
| THREAD QUANTITY PER INCH | 24 |