| FASTENER LENGTH | 0.670 INCHES MINIMUM AND 0.700 INCHES MAXIMUM |
| HEAD DIAMETER | 0.334 INCHES MINIMUM AND 0.357 INCHES MAXIMUM |
| HEAD HEIGHT | 0.178 INCHES MINIMUM AND 0.205 INCHES MAXIMUM |
| HEAD STYLE | FILLISTER |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE III |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| NOMINAL THREAD DIAMETER | 0.216 INCHES |
| PRIMARY WASHER MATERIAL THICKNESS | 0.050 INCHES NOMINAL |
| PRIMARY WASHER OUTSIDE DIAMETER | 0.542 INCHES MINIMUM AND 0.582 INCHES MAXIMUM |
| PRIMARY WASHER STYLE | RECESSED |
| SECONDARY WASHER OUTSIDE DIAMETER | 0.181 INCHES MINIMUM AND 0.221 INCHES MAXIMUM |
| WASHER QUANTITY | 1 |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNJC |