| FASTENER LENGTH | 0.344 INCHES NOMINAL |
| HEAD STYLE | HEADLESS (SETSCREW) |
| INTERNAL DRIVE STYLE | HEXAGON |
| LOCKING FEATURE | PATCH OR PELLET THREADS |
| MATERIAL DOCUMENT AND CLASSIFICATION | A-286 CRES PER AMS 5731 OR AMS 5737 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | IRON ALLOY 660 OVERALL |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | SETSCREW,SELF-LOCKING,CONICAL END |
| POINT STYLE | CONE |
| POINT CHAMFER ANGLE | 88.0 DEGREES MINIMUM AND 92.0 DEGREES MAXIMUM |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD DIAMETER | 0.1640 INCHES |
| WIDTH ACROSS FLATS | 0.0781 INCHES MINIMUM AND 0.0791 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2700 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.231 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 36 |
| THREAD SERIES DESIGNATOR | UNJF |