| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 0.750 INCHES NOMINAL |
| HEAD DIAMETER | 0.349 INCHES MINIMUM AND 0.357 INCHES MAXIMUM |
| HEAD HEIGHT | 0.070 INCHES NOMINAL |
| HEAD STYLE | FLUSH |
| INTERNAL DRIVE STYLE | TORX |
| LOCKING FEATURE | SLOTTED THREADS |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5731 OR AMS5737 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | IRON ALLOY 660 OVERALL |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,CAPTIVE,100 DEG FLUSH HEAD,SIX-LOBE RECESS,CRES,160 KSI |
| PROPRIETARY CHARACTERISTICS | PACS |
| MINIMUM TENSILE STRENGTH | 2425 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| SINGLE SHEAR STRENGTH | 1450 POUNDS PER SQUARE INCH |
| SPLINE MAJOR DIAMETER | 0.155 INCHES NOMINAL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS2700 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.375 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNJF |