| STYLE DESIGNATOR | STANDARD |
| MATERIAL | IRON MALLEABLE |
| CONDUIT TYPE ACCOMMODATED | RIGID METALLIC THICKWALL OR |
| RIGID METALLIC THINWALL FIRST END |
| RIGID METALLIC THINWALL SECOND END |
| RIGID METALLIC THICKWALL OR |
| RIGID METALLIC THINWALL THIRD END |
| END TYPE | INTERNAL THREAD FIRST END |
| INTERNAL THREAD SECOND END |
| INTERNAL THREAD THIRD END |