| EXTERNAL THREAD DIRECTION | RIGHT-HAND |
| EXTERNAL THREAD SIZE | 1-1/2-11-1/2 |
| EXTERNAL SCREW THREAD SERIES DESIGNATOR | NPTF |
| INTERNAL SCREW THREAD SERIES DESIGNATOR | NPTF |
| INTERNAL THREAD DIRECTION | RIGHT-HAND |
| INTERNAL THREAD SIZE | 1/2-14 |
| MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66, COMP 316 FED STD SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 316 |
| NONDEFINITIVE SPEC/STD DATA | 42 FIGURE |
| SPECIFICATION/STANDARD DATA | 81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| STYLE DESIGNATOR | OUTSIDE HEXAGON OR OCTAGON (PARTIAL OR FULL THREAD OPTIONAL) |
| SPECIAL FEATURES | SURFACE TREATMENT IN ACCORDANCE WITH J514 |