| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.700 INCHES NOMINAL FIRST HOLE |
| EXTERNAL THREAD TOLERANCE CLASS | 3A |
| FASTENER LENGTH | 1.813 INCHES NOMINAL |
| GRIP DIAMETER | 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM |
| GRIP LENGTH | 1.4375 INCHES NOMINAL |
| HEAD HEIGHT | 0.187 INCHES NOMINAL |
| HEAD MINOR DIAMETER | 0.514 INCHES MINIMUM AND 0.521 INCHES MAXIMUM |
| HEAD STYLE | SPLINE DRIVE SHEAR HEAD |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT-CLOSE TOLERANCE, SPLINE DRIVE, CRES (125KS FSU) DRILLED SHORT THREAD |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.3125 INCHES |
| SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES MINIMUM AND 0.081 INCHES MAXIMUM FIRST HOLE |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.375 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |