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NAICSSector 33
U.S. imports of aircraft parts & auxiliary equipment, nesoi (NAICS 336413) totaled $1.5B in July 2026, traded with 72 countries.
Importers of Aircraft Parts & Auxiliary Equipment, NESOI paid $20.2M in duties in July 2026 — an effective duty rate of 15% on $132.8M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 2026 dataAirframe structural components, avionics, landing gear assemblies, and other aircraft parts not elsewhere classified form a broad and commercially active import category that feeds both MRO (maintenance, repair, and overhaul) operations and new-aircraft production. FAA airworthiness traceability requirements apply regardless of whether parts are destined for installation or inventory, and many items also require export-license review under EAR or ITAR before they can be re-exported. The 'NESOI' designation signals that classification into this code requires ruling out all more specific six-digit alternatives first.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
37.5K shipments/mo
'Not elsewhere specified or included' means this code is a residual catch-all: a part should be classified here only after confirming it does not fit a more specific heading such as aircraft engines (336412) or guided missile parts (336419). Misuse of residual codes is a common audit finding and can trigger CBP penalty proceedings.
The formal entry process is the same, but MRO shipments often involve goods that were previously exported for repair and are returning to the US. In those cases, importers may be able to claim duty relief under HTS Chapter 98 provisions for American goods returned, provided the parts were originally of US origin and the repair was performed abroad. Documentation of the original export is essential to support the claim.
National industry 2 of 7 in naics industry 33641
National industry 336413 · $1.5B of $5.9B
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Imports · July 2026
origin
customs district
Census does not publish district detail for this classification system.
destination
None recorded for this period.
entry
Census does not publish port detail for this classification system.
ImportsExports
Imports
$1.5BYoY · Pro
Exports
$593.3MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.