| COTTER PIN HOLE DIAMETER | 0.065 INCHES MINIMUM AND 0.072 INCHES MAXIMUM FIRST HOLE |
| DIAMETER OF RECESSED PORTION OF SHANK | 0.280 INCHES NOMINAL |
| DISTANCE FROM COTTER PIN HOLE CENTERLINE TO NUT END | 0.219 INCHES NOMINAL FIRST HOLE |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| LENGTH OF RECESSED PORTION OF SHANK | 1.235 INCHES NOMINAL |
| OVERALL LENGTH | 2.875 INCHES NOMINAL |
| MATERIAL | STEEL CORROSION RESISTING |
| NOMINAL THREAD SIZE | 0.625 INCHES STUD THREAD |
| STYLE DESIGNATOR | RECESSED AND STEPPED |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 0.703 INCHES MINIMUM NUT THREAD |
| THREAD LENGTH | 0.734 INCHES MINIMUM STUD THREAD |
| THREAD PITCH DIAMETERS | +0.5679 TO 0.5720 INCHES STUD THREAD |
| THREAD SERIES DESIGNATOR | UNEF STUD THREAD |
| THREAD QUANTITY PER INCH | 24 STUD THREAD |