| COUNTERSINK ANGLE | 99.00 DEGREES MINIMUM AND 101.00 DEGREES MAXIMUM |
| FASTENER LENGTH | 0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
| HEAD HEIGHT | 0.068 INCHES NOMINAL |
| HEAD DIAMETER | 0.270 INCHES NOMINAL |
| HEAD STYLE | FLAT COUNTERSUNK UNDERCUT |
| INTERNAL DRIVE STYLE | TORX |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,TENSION, 100* FLUSH HEAD,FULL THREAD, SELF/NON LOCK |
| NOMINAL THREAD DIAMETER | 0.1640 INCHES |
| SCREW MATERIAL | STEEL |
| SCREW SURFACE TREATMENT | PASSIVATE AND CADMIUM |
| SPECIFICATION/STANDARD DATA | 80205-NAS5312 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SPLINE MAJOR DIAMETER | 0.155 INCHES NOMINAL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |