| CROSS-SECTIONAL SHAPE | HEXAGON |
| LENGTH | 1.750 INCHES NOMINAL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | HEX THREAD ADAPTER |
| MATERIAL | STEEL STANDOFF |
| NOMINAL THREAD SIZE | 0.1325 INCHES RIGHT INTERNAL |
| NOMINAL THREAD SIZE | 0.375 INCHES LEFT EXTERNAL |
| RIGHT PROJECTION DIAMETER | 0.375 INCHES NOMINAL |
| RIGHT PROJECTION LENGTH | 0.750 INCHES NOMINAL |
| SPECIAL FEATURES | MALE-FEMALE THREADS, HARDNESS ROCKWELL B80.0 |
| WIDTH ACROSS FLATS | 0.625 INCHES NOMINAL |
| STYLE DESIGNATOR | LEFT INTERNAL AND RIGHT EXTERNAL THREAD |
| THREAD CLASS | 2A LEFT EXTERNAL |
| THREAD CLASS | 2B RIGHT INTERNAL |
| THREAD DIRECTION | RIGHT-HAND LEFT EXTERNAL |
| THREAD DIRECTION | RIGHT-HAND RIGHT INTERNAL |
| THREAD LENGTH | 0.4687 INCHES NOMINAL RIGHT INTERNAL |
| THREAD LENGTH | 0.750 INCHES NOMINAL LEFT EXTERNAL |
| THREAD QUANTITY PER INCH | 16 LEFT EXTERNAL |
| THREAD QUANTITY PER INCH | 18 RIGHT INTERNAL |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) LEFT EXTERNAL |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) RIGHT INTERNAL |