United States of America HS Code

HS Code 251990: Other in United States of America

Q: Is HS code 251990 the same across all countries?

Yes — up to the 6-digit level, HS code 251990 is the same in every WCO member country. Beyond 6 digits, each country extends the code for national tariff and statistical use. United States of America extends it under HTS / HTSUS.

Q: What system does United States of America use to classify HS code 251990?

United States of America classifies products under the Harmonized Tariff Schedule of the United States (HTS / HTSUS; locally Harmonized Tariff Schedule), which extends HS codes to 10 digits. The first 6 digits align with the WCO Harmonized System, and the rest cover national tariff and statistical needs.

Q: Where can I officially look up HS code 251990 in United States of America?

The official source is https://www.cbp.gov/. For faster cross-country lookups, TradeInt's HS Code Tool consolidates classifications across all major countries in one place.

What is HS Code 251990 in United States of America

Under United States of America's Harmonized Tariff Schedule of the United States (Harmonized Tariff Schedule), HS Code 251990 is the WCO Harmonized System subheading for Other. This is the most detailed internationally standardized level; United States of America extends classifications to 10 digits under its national tariff system. 251990 belongs to Section V: Mineral products, Chapter 25: Salt; sulphur; earths and stone; plastering materials, lime and cement, Heading 2519: Natural magnesium carbonate (magnesite); fused magnesia; deadburned (sintered) magnesia, whether or not containing small quantities of other oxides added before sintering; other magnesium oxide, whether or not pure.

Explore more 2026 Latest United States of America import export trade data and shipment records for HS Code Fused and Dead-Burned Magnesia on TradeInt global trade data platform

Classification Path of HS Code 251990 in United States of America

Section V

Chapters (25-27) Mineral products

Chapter 25

Salt; sulphur; earths and stone; plastering materials, lime and cement

HS Code 2519

Natural magnesium carbonate (magnesite); fused magnesia; deadburned (sintered) magnesia, whether or not containing small quantities of other oxides added before sintering; other magnesium oxide, whether or not pure

HS Code 251990

Other

HS Code 2519901000

Fused magnesia and dead-burned (sintered) magnesia

HS Code 2519902000

Caustic calcined magnesite

HS Code 2519905000

Other

United States of America Tariff Classification: Harmonized Tariff Schedule of the United States (HTS / HTSUS)

In United States of America, HS 251990 is classified under the Harmonized Tariff Schedule of the United States (Harmonized Tariff Schedule) — a 10-digit national extension of the WCO 6-digit Harmonized System.

Tariff schedule Harmonized Tariff Schedule of the United States (HTS / HTSUS)

Local name Harmonized Tariff Schedule

Digits 10

Official source https://www.cbp.gov/

You know what 251990 means. Now see 2026 latest real trade activity for Fused and Dead-Burned Magnesia in United States of America.

Buyers, suppliers, origin and destination countries, shipment dates, and quantities direct from customs records.

Search 2026 Latest United States of America Import Data Search 2026 Latest United States of America Export Data

Top Trading Product of HS Code 2519

Top United States of America import Product Under HS Code 2519

1 251990: Other $265.7M 2 251910: Natural magnesium carbonate (magnesite) $3.8M

Figures shown for 2025.

For more 2026 recent data, search for United States of America import trade records

Top United States of America export Product Under HS Code 2519

1 251990: Other $33.3M 2 251910: Natural magnesium carbonate (magnesite) $3.3M

Figures shown for 2025.

For more 2026 recent data, search for United States of America export trade records

Related HS Code to United States of America Fused and Dead-Burned Magnesia (251990)

HS Code 2519901000

Fused magnesia and dead-burned (sintered) magnesia

HS Code 2519902000

Caustic calcined magnesite

HS Code 2519905000

Other

HS Code 251910

Natural magnesium carbonate (magnesite)

HS Code 250100

Salt (including table salt and denatured salt) and pure sodium chloride, whether or not in aqueous solution or containing added anticaking or freeflowing agents; sea water

HS Code 250200

Unroasted iron pyrites

HS Code 250300

Sulphur of all kinds, other than sublimed sulphur, precipitated sulphur and colloidal sulphur

HS Code 250410

In powder or in flakes

HS Code 250490

Other

HS Code 250510

Silica sands and quartz sands

Frequently Asked Questions

What is HS code 251990 in United States of America?

HS code 251990 covers Other in United States of America. It sits in Chapter 25 (Salt; sulphur; earths and stone; plastering materials, lime and cement), Heading 2519 of the Harmonized System, and is classified under HTS / HTSUS.

Is HS code 251990 the same across all countries?

What system does United States of America use to classify HS code 251990?

Where can I officially look up HS code 251990 in United States of America?