| DIAMETER OF RECESSED PORTION OF SHANK | 0.4 INCHES NOMINAL |
| MATERIAL | STEEL COMP 8740 OR STEEL COMP 4340 |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | STUD,STRAIGHT .4375-14X.4375-20,180 KSI SPC THREAD LENGTH |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD SIZE | 0.4375 INCHES NUT THREAD A |
| NOMINAL THREAD SIZE | 0.4375 INCHES NUT THREAD B |
| OVERALL LENGTH | 3.172 INCHES NOMINAL |
| STYLE DESIGNATOR | RECESSED |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A NUT THREAD B |
| THREAD LENGTH | 1.30 INCHES NOMINAL NUT THREAD A |
| THREAD LENGTH | 0.938 INCHES NOMINAL NUT THREAD B |
| THREAD SERIES DESIGNATOR | UNJF NUT THREAD B |
| THREAD SERIES DESIGNATOR | UNJS NUT THREAD A |