| CROSS-SECTIONAL SHAPE | HEXAGON |
| LENGTH | 1.00 INCHES NOMINAL |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| NOMINAL THREAD SIZE | 0.138 INCHES LEFT EXTERNAL |
| NOMINAL THREAD SIZE | 0.138 INCHES RIGHT INTERNAL |
| RIGHT PROJECTION DIAMETER | 0.138 INCHES NOMINAL |
| RIGHT PROJECTION LENGTH | 0.375 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 0.25 INCHES NOMINAL |
| STYLE DESIGNATOR | LEFT INTERNAL AND RIGHT EXTERNAL THREAD |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 2A LEFT EXTERNAL |
| THREAD CLASS | 2B RIGHT INTERNAL |
| THREAD DIRECTION | RIGHT-HAND LEFT EXTERNAL |
| THREAD DIRECTION | RIGHT-HAND RIGHT INTERNAL |
| THREAD LENGTH | 0.375 INCHES NOMINAL LEFT EXTERNAL |
| THREAD LENGTH | 0.375 INCHES NOMINAL RIGHT INTERNAL |
| THREAD QUANTITY PER INCH | 32 LEFT EXTERNAL |
| THREAD QUANTITY PER INCH | 32 RIGHT INTERNAL |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) LEFT EXTERNAL |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) RIGHT INTERNAL |