ECOWAS Common External Tariff (Nigeria) · CET code · HS 8484.20
8484.20.00.00: Mechanical seals
Mechanical seals
✓ Can be used in a customs declaration Data: ECOWAS Common External Tariff (Nigeria), in force from 7 September 2023 · checked on 24 October 2026
What you pay
Importing into Nigeria
Customs duty only: import VAT, other taxes and trade defence duties of this country are not covered here, and the duty calculator works only with the EU, Türkiye, US and UK tariffs.
Same subheading in other tariffs
8484.20 Gaskets and similar joints of metal sheeting combined with: mechanical seals
UK Free Third-country duty 2 tariff lines 
EU 1.7% Third-country duty 1 tariff line 
Türkiye 1.7% Third-country duty 1 tariff line 
USA 3.9% General (MFN) 1 tariff line 
Canada Free General (MFN) 1 tariff line 
Mexico Free General (MFN) 1 tariff line 
Brazil 12.6% General (MFN) 1 tariff line 
Argentina 12.6% General (MFN) 1 tariff line 
Peru Free General (MFN) 1 tariff line 
New Zealand 5% General (MFN) 1 tariff line 
Japan Free General (MFN) 1 tariff line 
Taiwan 5% General (MFN) 1 tariff line 
GCC 5% General (MFN) 1 tariff line 
Switzerland Free General (MFN) 1 tariff line 
Norway Free General (MFN) 1 tariff line 
North Macedonia 3% General (MFN) 1 tariff line Binding rulings for similar goods
Decisions of U.S. Customs and Border Protection (CROSS) and HMRC (Advance Tariff Rulings) on goods classified here. A ruling binds only its holder, but shows how the authorities classify similar goods. The descriptions are the authorities’ own, in English.
- H303826 U.S. CBP
Protest No. 3901-17-102338; Classification of a trigger sprayer
- H250623 U.S. CBP
Application for Further Review of Protest Number 5309-13-100341; Tariff classification of a “thruster overhaul kit”
- 600012896 HMRC
A mechanical seal that is utilised in industrial applications where it is necessary to prevent leakage between rotary and stationary elements within process equipment. These assemblies comprise primary seal faces and secondary elastomeric seals held by a combination of machined or pressed…
- 600009883 HMRC
Mechanical Seals come in a variety of sizes, design types and material combinations. They typically consist of a spring loaded rotating element and a stationary element. Both elements contain a sealing face, manufactured from a variety of wear materials such as Carbon Graphite, Silicon Carbide,…
Legal notes
In the ECOWAS Common External Tariff (Nigeria), 8484.20.00.00 is one of 1 line under subheading 8484.20, gaskets and similar joints of metal sheeting combined with: mechanical seals.
The import duty is 10%, and quantities are declared in KG.
For the same subheading, the UK duty is free, the EU duty is 1.7%, the Türkiye duty is 1.7%, the US duty is 3.9%, the Canada duty is free, the Mexico duty is free, the Brazil duty is 12.6%, the Argentina duty is 12.6%, the Peru duty is free, the New Zealand duty is 5%, the Japan duty is free, the Taiwan duty is 5%, the GCC duty is 5%, the Switzerland duty is free, the Norway duty is free and the North Macedonia duty is 3%.
Nigeria imported goods of subheading 8484.20 worth US$16m in 2024; the largest supplier was Morocco, and the United Kingdom ranked 4th with US$2m.
Questions and answers
What is the Nigeria import duty for CET code 8484.20.00.00?
The import duty in the ECOWAS Common External Tariff (Nigeria) is 10%; the supplementary unit is KG. This page shows the rate as published by the national source and, where the source publishes them, preferential rates: choose the country of origin to see them. Trade defence duties and VAT are not covered.
Where does Nigeria import these goods from?
For subheading 8484.20 as a whole, the largest supplier in 2024 was Morocco (US$3m), followed by the United Arab Emirates.
Typical products
Everyday names, not part of the legal text.