| CROSS-SECTIONAL SHAPE | HEXAGON |
| LENGTH | 1.1250 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM-A-581 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM-A-582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 203EZ OR STEEL COMP 303 OR STEEL COMP 303 PLUS X OR STEEL COMP 303MA OR STEEL COMP 303PB OR STEEL COMP 416 OR STEEL COMP 416 PLUS X OR STEEL COMP 416SE OR STEEL COMP 430F OR STEEL COMP 303SE OR STEEL COMP 420F OR STEEL COMP 384 OR STEEL COMP 430FSE OR STEEL COMP 440F OVERALL |
| NOMINAL THREAD SIZE | 0.138 INCHES LEFT EXTERNAL |
| NOMINAL THREAD SIZE | 0.138 INCHES RIGHT INTERNAL |
| RIGHT PROJECTION DIAMETER | 0.1380 INCHES NOMINAL |
| RIGHT PROJECTION LENGTH | 0.3750 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 0.3125 INCHES NOMINAL |
| STYLE DESIGNATOR | LEFT INTERNAL AND RIGHT EXTERNAL THREAD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| 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 | 0.3750 INCHES NOMINAL LEFT EXTERNAL |
| THREAD LENGTH | 0.3750 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 |