| DIAMETER OF RECESSED PORTION OF SHANK | 0.281 INCHES NOMINAL |
| LENGTH OF RECESSED PORTION OF SHANK | 1.641 INCHES NOMINAL |
| OVERALL LENGTH | 4.782 INCHES MINIMUM AND 4.802 INCHES MAXIMUM |
| MATERIAL | STEEL |
| NOMINAL THREAD SIZE | 0.375 INCHES NUT THREAD |
| NOMINAL THREAD SIZE | 0.375 INCHES STUD THREAD |
| STYLE DESIGNATOR | RECESSED |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM 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 | 0.849 INCHES MINIMUM AND 0.869 INCHES MAXIMUM STUD THREAD |
| THREAD LENGTH | 1.595 INCHES NOMINAL NUT THREAD |
| THREAD QUANTITY PER INCH | 16 STUD THREAD |
| THREAD QUANTITY PER INCH | 24 NUT THREAD |
| THREAD SERIES DESIGNATOR | UNF NUT THREAD |
| THREAD PITCH DIAMETERS | +0.3387 TO 0.3397 INCHES NUT THREAD |
| THREAD PITCH DIAMETERS | +0.3417 TO 0.3427 INCHES STUD THREAD |
| THREAD SERIES DESIGNATOR | UNS STUD THREAD |