| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.193 INCHES MINIMUM AND 1.253 INCHES MAXIMUM FIRST HOLE |
| FASTENER LENGTH | 1.313 INCHES MINIMUM AND 1.353 INCHES MAXIMUM |
| HEAD DIAMETER | 0.369 INCHES MINIMUM AND 0.374 INCHES MAXIMUM |
| HEAD HEIGHT | 0.253 INCHES MINIMUM AND 0.273 INCHES MAXIMUM |
| HEAD STYLE | FLAT CHAMFER |
| INTERNAL DRIVE STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | 0131 92215 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MINIMUM TENSILE STRENGTH | 170000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE |
| SURFACE FINISH | 125.0 MICROINCHES TOP OF HEAD |
| SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| SURFACE FINISH | 32.0 MICROINCHES GRIP |
| SURFACE FINISH | 32.0 MICROINCHES THREADS |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.367 INCHES MINIMUM AND 0.387 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES DESIGNATOR | UNF |
| WIDTH ACROSS FLATS | 0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |