| FASTENER LENGTH | 0.500 INCHES NOMINAL |
| HARDNESS RATING | 80.0 ROCKWELL B NOMINAL OVERALL |
| HEAD DIAMETER | 0.313 INCHES NOMINAL |
| HEAD HEIGHT | 0.151 INCHES NOMINAL |
| HEAD STYLE | HEXAGON EXTENDED WASHER |
| INTERNAL DRIVE STYLE | SLOT |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | HEX WASHER HEAD SLOTTED MACHINE SCREW |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MINIMUM TENSILE STRENGTH | 72000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| NONMACHINE NOMINAL THREAD DIAMETER | 0.190 INCHES |
| PRIMARY WASHER OUTSIDE DIAMETER | 0.414 INCHES NOMINAL |
| PRIMARY WASHER STYLE | FLAT |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.500 INCHES NOMINAL |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| THREAD QUANTITY PER INCH | 24 |
| WASHER QUANTITY | 1 |