| 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 |
| OVERALL LENGTH | 2.200 INCHES MINIMUM AND |
| 2.220 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNS NUT THREAD |
| UNS STUD THREAD |
| NOMINAL THREAD SIZE | 0.312 INCHES NUT THREAD |
| 0.312 INCHES STUD THREAD |
| THREAD QUANTITY PER INCH | 24 NUT THREAD |
| 18 STUD THREAD |
| THREAD PITCH DIAMETERS | 0.2830 TO 0.2849 INCHES NUT THREAD |
| 0.2854 TO 0.2869 INCHES STUD THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 0.560 INCHES MINIMUM AND |
| 0.645 INCHES MAXIMUM NUT THREAD |
| 0.650 INCHES MINIMUM AND |
| 0.760 INCHES MAXIMUM STUD THREAD |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND |
| 32.0 ROCKWELL C MAXIMUM |
| SURFACE FINISH | 50.0 MICROINCHES OVERALL |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 99193 |
| DESIGN CONTROL REFERENCE | STD3009B18N |