| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 0.705 INCHES NOMINAL |
| HEAD HEIGHT | 0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| INTERNAL DRIVE STYLE | TORX |
| MATERIAL | IRON ALLOY 660 OVERALL |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, CAPTIVE, HEX-HEAD, 160 KSI |
| PROPRIETARY CHARACTERISTICS | PACS |
| MINIMUM TENSILE STRENGTH | 4625 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.2500 INCHES |
| SPLINE MAJOR DIAMETER | 0.2195 INCHES MINIMUM AND 0.2225 INCHES MAXIMUM |
| SPLINE MINOR DIAMETER | 0.1570 INCHES MINIMUM AND 0.1600 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.472 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 28 |