| MATERIAL | STEEL COMP 4140 |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6382 ASSN STD SINGLE MATERIAL RESPONSE |
| SURFACE TREATMENT | CADMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| STYLE DESIGNATOR | STEPPED |
| SHANK DIAMETER | 0.285 INCHES MINIMUM AND |
| 0.289 INCHES MAXIMUM |
| OVERALL LENGTH | 1.753 INCHES MINIMUM AND |
| 1.773 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNS NUT THREAD |
| NOMINAL THREAD SIZE | 0.375 INCHES NUT THREAD |
| THREAD QUANTITY PER INCH | 24 NUT THREAD |
| THREAD PITCH DIAMETERS | 0.3455 TO 0.3474 INCHES NUT THREAD |
| 0.4007 TO 0.4022 INCHES STUD THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 0.625 INCHES MINIMUM AND |
| 0.730 INCHES MAXIMUM NUT THREAD |
| 0.640 INCHES MINIMUM AND |
| 0.660 INCHES MAXIMUM STUD THREAD |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND |
| 32.0 ROCKWELL C MAXIMUM |
| SURFACE FINISH | 32.0 MICROINCHES NUT THD |
| 63.0 MICROINCHES SHANK |
| 32.0 MICROINCHES STUD THD |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 99193 |
| DESIGN CONTROL REFERENCE | STD3012B8N |