| CRITICALITY CODE JUSTIFICATION | FEAT |
| EXTERNAL SCREW THREAD SERIES DESIGNATOR | NPTF |
| EXTERNAL THREAD DIRECTION | RIGHT-HAND |
| EXTERNAL THREAD SIZE | 3/4-14 |
| INTERNAL SCREW THREAD SERIES DESIGNATOR | NPTF |
| INTERNAL THREAD DIRECTION | RIGHT-HAND |
| INTERNAL THREAD SIZE | 1/4-18 |
| MATERIAL | COPPER ALLOY |
| NONDEFINITIVE SPEC/STD DATA | 5 FIGURE |
| SPECIAL FEATURES | WEAPON SYSTEM ESSENTIAL |
| SPECIFICATION/STANDARD DATA | 81343-J530 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| STYLE DESIGNATOR | OUTSIDE HEXAGON OR OCTAGON (PARTIAL OR FULL THREAD OPTIONAL) |