| COTTER PIN HOLE DIAMETER | 0.096 INCHES MINIMUM AND 0.103 INCHES MAXIMUM FIRST HOLE |
| DISTANCE FROM COTTER PIN HOLE CENTERLINE TO NUT END | 0.140 INCHES NOMINAL FIRST HOLE |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| OVERALL LENGTH | 2.040 INCHES MINIMUM AND 2.080 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 8740 OR STEEL COMP 4140 |
| NOMINAL THREAD SIZE | 0.375 INCHES NUT THREAD |
| NOMINAL THREAD SIZE | 0.438 INCHES STUD THREAD |
| SHANK DIAMETER | 0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| STYLE DESIGNATOR | STEPPED |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 0.850 INCHES NOMINAL STUD THREAD |
| THREAD LENGTH | 0.660 INCHES MINIMUM NUT THREAD |
| THREAD PITCH DIAMETERS | +0.4000 TO 0.4010 INCHES STUD THREAD |
| THREAD SERIES DESIGNATOR | UNF NUT THREAD |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) STUD THREAD |
| THREAD QUANTITY PER INCH | 14 STUD THREAD |
| THREAD QUANTITY PER INCH | 24 NUT THREAD |