| CROSS-SECTIONAL SHAPE | ROUND |
| DIAMETER | 0.625 INCHES NOMINAL |
| LENGTH | 3.875 INCHES NOMINAL |
| MATERIAL | STEEL OVERALL |
| NOMINAL THREAD SIZE | 0.250 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) |
| NOMINAL THREAD SIZE | 0.250 INCHES RIGHT EXTERNAL |
| RIGHT PROJECTION DIAMETER | 0.250 INCHES NOMINAL |
| RIGHT PROJECTION LENGTH | 0.375 INCHES NOMINAL |
| STYLE DESIGNATOR | LEFT INTERNAL AND RIGHT EXTERNAL THREAD |
| SURFACE TREATMENT | CADMIUM 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 | 0.375 INCHES NOMINAL RIGHT EXTERNAL |
| THREAD LENGTH | 0.750 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD QUANTITY PER INCH | 20 LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD QUANTITY PER INCH | 20 RIGHT EXTERNAL |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) RIGHT EXTERNAL |