| DIAMETER OF RECESSED PORTION OF SHANK | 0.306 INCHES MINIMUM AND 0.311 INCHES MAXIMUM |
| LENGTH OF RECESSED PORTION OF SHANK | 0.063 INCHES MINIMUM AND 0.078 INCHES MAXIMUM |
| OVERALL LENGTH | 1.650 INCHES MINIMUM AND 1.680 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 1117 |
| NOMINAL THREAD SIZE | 0.375 INCHES NUT THREAD |
| STYLE DESIGNATOR | RECESSED AND STEPPED |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD LENGTH | 0.477 INCHES MINIMUM AND 0.492 INCHES MAXIMUM NUT THREAD |
| THREAD LENGTH | 0.800 INCHES MINIMUM AND 0.810 INCHES MAXIMUM STUD THREAD |
| THREAD QUANTITY PER INCH | 24 NUT THREAD |
| THREAD SERIES DESIGNATOR | UNF NUT THREAD |