| COTTER PIN HOLE DIAMETER | 0.065 INCHES MINIMUM AND 0.072 INCHES MAXIMUM FIRST HOLE |
| DISTANCE FROM COTTER PIN HOLE CENTERLINE TO NUT END | 0.110 INCHES NOMINAL FIRST HOLE |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| OVERALL LENGTH | 1.280 INCHES MINIMUM AND 1.320 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6320JGCAMS 6382 ASSN STD 1ST MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 8735 OR STEEL COMP 4140 |
| NOMINAL THREAD SIZE | 0.312 INCHES NUT THREAD |
| SHANK DIAMETER | 0.282 INCHES MINIMUM AND 0.286 INCHES MAXIMUM |
| STYLE DESIGNATOR | STEPPED |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 0.500 INCHES MINIMUM NUT THREAD |
| THREAD LENGTH | 0.530 INCHES MINIMUM STUD THREAD |
| THREAD QUANTITY PER INCH | 24 NUT THREAD |
| THREAD PITCH DIAMETERS | +0.2830 TO 0.2849 INCHES NUT THREAD |
| THREAD PITCH DIAMETERS | +0.3520 TO 0.3530 INCHES STUD THREAD |
| THREAD SERIES DESIGNATOR | UNS NUT THREAD |