| COTTER PIN HOLE DIAMETER | 0.094 INCHES MINIMUM AND 0.101 INCHES MAXIMUM FIRST HOLE |
| DIAMETER OF RECESSED PORTION OF SHANK | 0.350 INCHES MINIMUM AND 0.360 INCHES MAXIMUM |
| DISTANCE FROM COTTER PIN HOLE CENTERLINE TO NUT END | 0.172 INCHES NOMINAL FIRST HOLE |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| LENGTH OF RECESSED PORTION OF SHANK | 0.609 INCHES NOMINAL |
| OVERALL LENGTH | 2.625 INCHES NOMINAL |
| NOMINAL THREAD SIZE | 0.625 INCHES STUD THREAD |
| NOMINAL THREAD SIZE | 0.438 INCHES NUT THREAD |
| SPECIAL FEATURES | TWO COTTER HOLES AT 90 DEGREES |
| STYLE DESIGNATOR | RECESSED AND STEPPED |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 0.375 INCHES NOMINAL NUT THREAD |
| THREAD LENGTH | 1.125 INCHES NOMINAL STUD THREAD |
| THREAD PITCH DIAMETERS | +0.5684 TO 0.5701 INCHES STUD THREAD |
| THREAD SERIES DESIGNATOR | UNF NUT THREAD |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) STUD THREAD |
| THREAD QUANTITY PER INCH | 11 STUD THREAD |
| THREAD QUANTITY PER INCH | 20 NUT THREAD |