| DIAMETER OF RECESSED PORTION OF SHANK | 0.279 INCHES MINIMUM AND 0.289 INCHES MAXIMUM |
| LENGTH OF RECESSED PORTION OF SHANK | 2.750 INCHES NOMINAL |
| OVERALL LENGTH | 4.750 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | EMS-85040 CAGEC 73342 MFR REF SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL |
| NOMINAL THREAD SIZE | 0.312 INCHES NUT THREAD |
| NOMINAL THREAD SIZE | 0.375 INCHES STUD THREAD |
| PLAIN SHANK DIAMETER | 0.336 INCHES MINIMUM AND 0.337 INCHES MAXIMUM |
| SPECIAL FEATURES | DYE SHANK AREA BLUE,THREADS TO BE FREE OF DYE |
| STYLE DESIGNATOR | RECESSED AND STEPPED |
| SURFACE FINISH | 63.0 MICROINCHES SHANK |
| SURFACE FINISH | 32.0 MICROINCHES NUT THD |
| SURFACE FINISH | 32.0 MICROINCHES STUD THD |
| THREAD CLASS | 3A NUT THREAD |
| THREAD CLASS | 3A STUD THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 0.684 INCHES MINIMUM AND 0.768 INCHES MAXIMUM NUT THREAD |
| THREAD LENGTH | 0.940 INCHES NOMINAL STUD THREAD |
| THREAD QUANTITY PER INCH | 16 STUD THREAD |
| THREAD QUANTITY PER INCH | 24 NUT THREAD |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) NUT THREAD |
| THREAD SERIES DESIGNATOR | UNJS STUD THREAD |