Northrop Grumman LN-100 Inertial Gyrocompass from Japan
The Northrop Grumman LN-100 is a ring laser gyrocompass providing electrical navigational heading for military surface ships. It falls under HTS 9014.10.70.30 as an electrical gyroscopic compass for direction finding.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• ITAR/EAR export control docs mandatory; declare military end-use explicitly
• Technical data package must specify gyro drift rates <0.01°/hr for proper classification