| FASTENER LENGTH | 0.48 INCHES MINIMUM AND 0.50 INCHES MAXIMUM |
| FEATURES PROVIDED | FLAT WASHER AND LOCK WASHER |
| HEAD HEIGHT | 0.053 INCHES MINIMUM AND 0.062 INCHES MAXIMUM |
| HEAD DIAMETER | 0.155 INCHES MINIMUM AND 0.167 INCHES MAXIMUM |
| HEAD STYLE | PAN NO. 2 |
| INTERNAL DRIVE STYLE | TORX |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW PANHEAD TORX SEMS WITH SPLIT LOCK AND FLAT WASHER |
| NOMINAL THREAD DIAMETER | 0.0860 INCHES |
| SCREW MATERIAL | STEEL CORROSION RESISTING |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE |
| SCREW SURFACE TREATMENT | PASSIVATE |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.50 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 56 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |