| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| OVERALL LENGTH | 0.660 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 8740 |
| NOMINAL THREAD SIZE | 0.138 INCHES NUT THREAD |
| NOMINAL THREAD SIZE | 0.164 INCHES STUD THREAD |
| SHANK DIAMETER | 0.118 INCHES NOMINAL |
| STYLE DESIGNATOR | STEPPED |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 0.260 INCHES NOMINAL STUD THREAD |
| THREAD LENGTH | 0.340 INCHES MINIMUM NUT THREAD |
| THREAD QUANTITY PER INCH | 32 NUT THREAD |
| THREAD QUANTITY PER INCH | 32 STUD THREAD |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) NUT THREAD |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) STUD THREAD |