| CROSS-SECTIONAL SHAPE | HEXAGON |
| LENGTH | 1.00 INCHES NOMINAL |
| MATERIAL | STEEL COMP 303SE OR STEEL COMP 303 OR STEEL COMP 203EZ OVERALL |
| NOMINAL THREAD SIZE | 0.1120 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) |
| NOMINAL THREAD SIZE | 0.1380 INCHES RIGHT EXTERNAL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | POST, ELECTRICAL, MECHANICAL EQUIPMENT, STUD TYPE |
| RIGHT PROJECTION DIAMETER | 0.138 INCHES NOMINAL |
| RIGHT PROJECTION LENGTH | 0.246 INCHES MINIMUM AND 0.254 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.250 INCHES NOMINAL |
| STYLE DESIGNATOR | LEFT INTERNAL AND RIGHT EXTERNAL THREAD |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 2A RIGHT EXTERNAL |
| THREAD CLASS | 2B LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD DIRECTION | RIGHT-HAND RIGHT EXTERNAL |
| THREAD DIRECTION | RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD LENGTH | 0.250 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD LENGTH | 0.250 INCHES NOMINAL RIGHT EXTERNAL |
| THREAD QUANTITY PER INCH | 32 RIGHT EXTERNAL |
| THREAD QUANTITY PER INCH | 40 LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) RIGHT EXTERNAL |