| FASTENER LENGTH | 0.588 INCHES NOMINAL |
| HEAD HEIGHT | 0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM |
| HEAD DIAMETER | 0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM |
| HEAD STYLE | PAN |
| INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) |
| MINIMUM TENSILE STRENGTH | 1450 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.138 INCHES |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AMS5731 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OR AMS5732 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OR AMS5737 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OR AMS5853 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS-QQ-P-416, TYPE II, CLASS 2 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE |
| SCREW MATERIAL | IRON ALLOY 660 |
| SCREW SURFACE TREATMENT | CADMIUM AND CHROMATE |
| THREAD LENGTH | 0.276 INCHES NOMINAL |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNJC |