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Disc Calculator Slide Mechanism from Japan

Brass slide track and cursor assembly for Aristo and Relo disc calculators used for multiplication/division. Provides frictionless logarithmic scale alignment. HTS 9017.90.01.60 part for mathematical calculating instruments.

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

Submit logarithmic scale photos proving calculating instrument function

Specify disc diameter compatibility (e.g

8-inch, 10-inch models)

Avoid 'clock mechanism' description that triggers Chapter 91 classification