| DOCUMENT TYPE | CIVIL STANDARD |
| EXTENDED WASHER THICKNESS | 0.036 INCHES NOMINAL |
| EXTENDED WASHER DIAMETER | 0.312 INCHES NOMINAL |
| FASTENER LENGTH | 0.311 INCHES MINIMUM AND 0.313 INCHES MAXIMUM |
| FEATURES PROVIDED | WASHER |
| HEAD STYLE | FILLISTER EXTENDED WASHER |
| INTERNAL DRIVE STYLE | TORX |
| MINIMUM TENSILE STRENGTH | 65000 POUNDS PER SQUARE INCH |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW-PAN HEAD/FLAT WASHER SEMS, TORX DRIVE, STAINLESS STEEL, PASSIVATE |
| NOMINAL THREAD DIAMETER | 0.138 INCHES |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | ASTM F593 AUSTENITIC ALLOY GROUP 1 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE |
| 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 QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |