| EXTERNAL SCREW THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT (UNJ) |
| EXTERNAL THREAD DIRECTION | RIGHT-HAND |
| EXTERNAL THREAD SIZE | 1.0625 |
| INTERNAL SCREW THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| INTERNAL THREAD DIRECTION | RIGHT-HAND |
| INTERNAL THREAD SIZE | 0.5625 |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | FITTING, REDUCER -12 TO -06 |
| MATERIAL | STEEL CORROSION RESISTING |
| STYLE DESIGNATOR | DOUBLE TAPPED |
| SURFACE TREATMENT | PASSIVATE |