| CROSS-SECTIONAL SHAPE | HEXAGON |
| LENGTH | 0.5000 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-W-52263 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 303 OR STEEL COMP 303 PLUS X OR STEEL COMP 303CU OR STEEL COMP 303MA OR STEEL COMP 303SE OR STEEL COMP 416 OR STEEL COMP 416SE OR STEEL COMP 430F OR STEEL COMP 440FSE OVERALL |
| NOMINAL THREAD SIZE | 0.1380 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) |
| NOMINAL THREAD SIZE | 0.1380 INCHES RIGHT EXTERNAL |
| RIGHT PROJECTION DIAMETER | 0.1380 INCHES NOMINAL |
| RIGHT PROJECTION LENGTH | 0.2500 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 0.2500 INCHES NOMINAL |
| STYLE DESIGNATOR | LEFT INTERNAL AND RIGHT EXTERNAL THREAD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072-E200 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 2A LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD CLASS | 2B RIGHT EXTERNAL |
| THREAD DIRECTION | RIGHT-HAND RIGHT EXTERNAL |
| THREAD DIRECTION | RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD LENGTH | 0.3750 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD LENGTH | 0.2500 INCHES NOMINAL RIGHT EXTERNAL |
| THREAD QUANTITY PER INCH | 32 LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD QUANTITY PER INCH | 32 RIGHT EXTERNAL |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) RIGHT EXTERNAL |