| MATERIAL | STEEL COMP E4340 |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE |
| OVERALL LENGTH | 1.990 INCHES MINIMUM AND |
| 2.010 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNF NUT THREAD |
| UNS STUD THREAD |
| NOMINAL THREAD SIZE | 0.438 INCHES NUT THREAD |
| 0.438 INCHES STUD THREAD |
| THREAD CLASS | 3A NUT THREAD |
| THREAD QUANTITY PER INCH | 20 NUT THREAD |
| 14 STUD THREAD |
| THREAD PITCH DIAMETERS | 0.3992 TO 0.4007 INCHES STUD THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 0.938 INCHES MINIMUM AND |
| 1.038 INCHES MAXIMUM NUT THREAD |
| 0.875 INCHES MINIMUM AND |
| 1.018 INCHES MAXIMUM STUD THREAD |
| HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND |
| 40.0 ROCKWELL C MAXIMUM |
| DISTANCE FROM COTTER PIN HOLE CENTERLINE TO NUT END | 0.186 INCHES NOMINAL FIRST HOLE |
| COTTER PIN HOLE DIAMETER | 0.106 INCHES MINIMUM AND |
| 0.116 INCHES MAXIMUM FIRST HOLE |
| SURFACE FINISH | 32.0 MICROINCHES NUT THD |
| 63.0 MICROINCHES SHANK |
| 32.0 MICROINCHES STUD THD |