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SITCSection 7
U.S. exports of parts & accessories for semiconductor boule, wafer & ic manufacturing machines (n.e.s.) (SITC 72829) totaled $748.7M in July 2026.
Importers of Parts & Accessories for Semiconductor Boule, Wafer & IC Manufacturing Machines (N.E.S.) paid $5.7M in duties in July 2026 — an effective duty rate of 24% on $24.3M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Basic heading 55 of 642 in section 7
Basic heading 72829 · $396.9M of $175.6B
Replacement and upgrade components for wafer fab equipment — such as quartz process tubes, electrostatic chucks, gas delivery manifolds, and robot end-effectors — are captured under SITC 72829 when they are dedicated to the machines covered by the semiconductor manufacturing equipment headings and are not specified elsewhere. Classification as a 'part' rather than a standalone machine requires demonstrating that the item has no independent commercial function outside the parent equipment. Because these components often carry the same BIS export control sensitivities as the machines they serve, end-use and end-user screening remains important even for spare parts transactions.
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19.2K shipments/mo
Generally, no. Customs classification as a part requires that the item be suitable for use solely or principally with the parent machine. If a component has broad independent commercial utility — for example, a vacuum pump sold across many industries — it would typically be classified under its own heading rather than as a part of semiconductor manufacturing equipment.
Yes. BIS export controls follow the technical characteristics of the item, not its commercial role as a 'spare part.' A controlled component retains its ECCN regardless of whether it is shipped as original equipment or as a replacement part, so the same license determination process applies to both.
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Exports · July 2026
destination
customs district
Census does not publish district detail for this classification system.
origin
Census does not publish state detail for this classification system.
entry
Census does not publish port detail for this classification system.
ImportsExports
Imports
$396.9MYoY · Pro
Exports
$748.7MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.