| DISTANCE FROM COTTER PIN HOLE CENTERLINE TO NUT END | 0.141 INCHES NOMINAL FIRST HOLE |
| COTTER PIN HOLE DIAMETER | 0.109 INCHES NOMINAL FIRST HOLE |
| HARDNESS RATING | 23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| OVERALL LENGTH | 5.250 INCHES NOMINAL |
| MATERIAL | STEEL |
| NOMINAL THREAD SIZE | 0.375 INCHES NUT THREAD |
| NOMINAL THREAD SIZE | 0.375 INCHES STUD THREAD |
| NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND C STYLE AND 5 GRADE |
| SPECIAL FEATURES | 70 PERCENT LOK-THRED STUD END |
| THREAD QUANTITY PER INCH | 16 STUD THREAD |
| THREAD QUANTITY PER INCH | 24 NUT THREAD |
| THREAD SERIES DESIGNATOR | UNF NUT THREAD |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) STUD THREAD |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 0.688 INCHES MINIMUM NUT THREAD |
| THREAD LENGTH | 0.750 INCHES MINIMUM STUD THREAD |