| FASTENER LENGTH | 0.248 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| HEAD DIAMETER | 0.155 INCHES MINIMUM AND 0.167 INCHES MAXIMUM |
| HEAD HEIGHT | 0.045 INCHES MINIMUM AND 0.053 INCHES MAXIMUM |
| HEAD STYLE | PAN |
| INTERNAL DRIVE STYLE | TORX |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM F593 AUSTENTIC ALLOY GROUP 1 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,PANHEAD,TORX DRIVE,STAINLESS STEEL,PASSIVATE |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MINIMUM TENSILE STRENGTH | 65000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.0860 INCHES |
| 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 CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.248 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 56 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |