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SITCSection 7
U.S. imports of weighing machine weights & parts of weighing machinery (SITC 74539) totaled $9.5M in April 2026, traded with 39 countries.
Importers of Weighing Machine Weights & Parts of Weighing Machinery paid $1.2M in duties in April 2026 — an effective duty rate of 14% on $8.6M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 2026 dataCalibration weights and mechanical components for weighing equipment — excluding parts for balances sensitive to 5 centigrams or better — are grouped here, covering a broad aftermarket and OEM supply chain that supports industrial, retail, and logistics weighing systems. The exclusion of high-sensitivity balance parts is a recurring classification edge case: importers of precision counterweights or analytical balance components must verify sensitivity thresholds before applying this heading. Weight-operated counting machine parts are also captured within this grouping.
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Parts designed for balances capable of detecting differences of 5 centigrams (cg) or less are excluded from this heading and classified under precision instrument provisions. Importers of components for analytical or laboratory balances must confirm the parent instrument's sensitivity rating; if it meets the 5 cg threshold, a different tariff heading applies and the duty treatment may differ.
Generally yes — physical calibration weights for weighing machinery are captured here regardless of material (cast iron, stainless steel, brass). However, if a weight is purpose-built for a precision analytical balance meeting the 5 cg sensitivity threshold, it would be excluded. Importers should also check whether state or federal weights-and-measures regulations require NTEP certification for legal-for-trade use.
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Monthly import values over time