| HARDNESS RATING | 31.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE |
| OVERALL LENGTH | 0.850 INCHES MINIMUM AND 0.970 INCHES MAXIMUM |
| MATERIAL | STEEL |
| NOMINAL THREAD SIZE | 0.112 INCHES NUT THREAD |
| NOMINAL THREAD SIZE | 0.112 INCHES STUD THREAD |
| SHOULDER DIAMETER | 0.250 INCHES NOMINAL |
| SHOULDER LENGTH | 0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM |
| STUD END SHANK DIAMETER | 0.110 INCHES NOMINAL |
| STYLE DESIGNATOR | SHOULDERED |
| SURFACE FINISH | 125.0 MICROINCHES OVERALL |
| THREAD LENGTH | 0.170 INCHES MINIMUM AND 0.230 INCHES MAXIMUM NUT THREAD |
| THREAD CLASS | 3A NUT THREAD |
| THREAD CLASS | 3A STUD THREAD |
| THREAD DIRECTION | LEFT-HAND STUD THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) NUT THREAD |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) STUD THREAD |
| THREAD QUANTITY PER INCH | 40 NUT THREAD |
| THREAD QUANTITY PER INCH | 40 STUD THREAD |