Nord-Lock Steel Washer Pair from Japan
Patent wedge-locking washer pair (ramp design) that maintains preload through vibration. Sold and classified as spring lock washers under HTS 7318.21.00 despite pair packaging. For wind turbines and offshore platforms.
Duty Rate — Japan → United States
55.8%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Patent markings don't affect HTS; classify by function
• Pair quantity = single unit for statistical reporting
• High-value; provide brand valuation justification