| FASTENER LENGTH | 0.638 INCHES MINIMUM AND 0.668 INCHES MAXIMUM |
| GRIP DIAMETER | 0.25 INCHES NOMINAL |
| GRIP LENGTH | 0.0403 INCHES NOMINAL |
| HEAD DIAMETER | 0.3988 INCHES NOMINAL |
| HEAD HEIGHT | 0.063 INCHES NOMINAL |
| HEAD STYLE | FLAT COUNTERSUNK |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5731,AMS5732,AMS5737;AMS5853 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MINIMUM TENSILE STRENGTH | 3700 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.25 INCHES |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS-QQ-416 TYPE II CLASS2 INTERNATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.403 INCHES NOMINAL |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |