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SITCSection 6
U.S. imports of articles of glass, nes (SITC 66599) totaled $28.6M in July 2026, traded with 55 countries.
Importers of Articles of Glass, NES paid $4.3M in duties in July 2026 — an effective duty rate of 16% on $27.4M in dutiable value, based on actual customs collections rather than the published tariff schedule. Articles of Glass, NES imports of $28.6M in July 2026 ran 12% above the year-to-date monthly average of $25.6M.
Last updated: July 2026 dataServing as the residual category for glass articles not captured by any more specific heading, this classification encompasses a wide range of manufactured glass products — from glass floats and glass fiber novelties to specialty glass components used in industrial equipment — whose diversity makes generalization difficult. Because classification here is by exclusion, the first analytical step for any candidate article is to rule out all more specific glass headings before assigning it to this residual. Trade professionals dealing in novel or engineered glass products should be especially attentive to this classification logic, as new glass technologies may initially land here before a more specific heading is established.
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1.7K shipments/mo
Basic heading 194 of 766 in section 6
Basic heading 66599 · $28.6M of $26.7B
The General Rules of Interpretation require that residual 'not elsewhere specified' headings be used only after systematically ruling out all more specific headings. For glass articles, this means reviewing each named glass category — laboratory, household, optical, signalling, beads, mosaic, etc. — before defaulting to the NES heading. A binding ruling request to CBP is the most reliable way to confirm classification for novel or ambiguous glass articles, particularly those with mixed material compositions or dual-use applications.
When a glass article is specifically designed and used as a component of a particular machine or apparatus, classification rules may direct it to the machinery heading as a part rather than to a glass articles heading. The essential character and specificity of the article's design for a particular machine are key factors. Importers should analyze both the glass articles headings and the relevant machinery or equipment headings — and consider a CBP ruling — before filing entry for specialized industrial glass components.
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Imports · July 2026
origin
customs district
Census does not publish district detail for this classification system.
destination
Census does not publish state detail for this classification system.
entry
Census does not publish port detail for this classification system.
ImportsExports
Imports
$28.6MYoY · Pro
Exports
$21.4MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.