| FASTENER LENGTH | 0.230 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| HEAD HEIGHT | 0.051 INCHES MINIMUM AND 0.059 INCHES MAXIMUM |
| HEAD DIAMETER | 0.201 INCHES MINIMUM AND 0.213 INCHES MAXIMUM |
| HEAD STYLE | BUTTON |
| INTERNAL DRIVE STYLE | TORX |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| NOMINAL THREAD DIAMETER | 0.112 INCHES |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW BUTTON HEAD TORX HELICAL SPRING LOCK SEMS |
| THREAD QUANTITY PER INCH | 40 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| SPLINE MAJOR DIAMETER | 0.090 INCHES NOMINAL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 2A |
| THREAD LENGTH | 0.230 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |