Slide Rule Cursor Assembly from Mexico
Replacement glass and metal cursor window assembly for Hemmi and Pickett slide rules. Provides precise hairline alignment for mathematical calculations. Classified under HTS 9017.90.01.60 as part of mathematical calculating instruments in heading 9017.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide historical catalogs showing cursor compatibility with specific slide rule scales
• Declare as '9017 parts only' to avoid classification as complete calculating instrument
• Include magnification specs proving optical precision for calculation alignment