| DIAMETER OF RECESSED PORTION OF SHANK | 0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM |
| HARDNESS RATING | 28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| LENGTH OF RECESSED PORTION OF SHANK | 0.190 INCHES NOMINAL |
| OVERALL LENGTH | 1.820 INCHES MINIMUM AND 1.880 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | C50A-400 GR B16, CAGEC01289 MFR REF ALL MATERIAL RESPONSES |
| MATERIAL | STEEL |
| NOMINAL THREAD SIZE | 0.375 INCHES NUT THREAD |
| NOMINAL THREAD SIZE | 0.375 INCHES STUD THREAD |
| PRECIOUS MATERIAL AND LOCATION | OVERALL SILVER |
| PRECIOUS MATERIAL | SILVER |
| SPECIAL FEATURES | EXTENSION STUD END |
| STYLE DESIGNATOR | RECESSED |
| SURFACE TREATMENT | SILVER OVERALL |
| THREAD CLASS | 3A NUT THREAD |
| THREAD CLASS | 3A STUD THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 0.750 INCHES MINIMUM AND 0.780 INCHES MAXIMUM STUD THREAD |
| THREAD LENGTH | 0.850 INCHES MINIMUM AND 0.880 INCHES MAXIMUM NUT THREAD |
| THREAD QUANTITY PER INCH | 24 NUT THREAD |
| THREAD QUANTITY PER INCH | 24 STUD THREAD |
| THREAD SERIES DESIGNATOR | UNF NUT THREAD |
| THREAD SERIES DESIGNATOR | UNF STUD THREAD |