Japan HS Code

HS Code 731821: Nonthreaded articles : Spring washers and other lock washers in Japan

Q: Is HS code 731821 the same across all countries?

Yes — up to the 6-digit level, HS code 731821 is the same in every WCO member country. Beyond 6 digits, each country extends the code for national tariff and statistical use. Japan extends it under Japan HS / Statistical Code.

Q: What system does Japan use to classify HS code 731821?

Japan classifies products under the Customs Tariff Schedules of Japan (Japan HS / Statistical Code; locally 実行関税率表), which extends HS codes to 9 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 731821 in Japan?

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

What is HS Code 731821 in Japan

Under Japan's Customs Tariff Schedules of Japan (実行関税率表), HS Code 731821 is the WCO Harmonized System subheading for Nonthreaded articles : Spring washers and other lock washers. This is the most detailed internationally standardized level; Japan extends classifications to 9 digits under its national tariff system. 731821 belongs to Section XV: Base metals and articles of base metal, Chapter 73: Articles of iron or steel, Heading 7318: Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers (including spring washers) and similar articles, of iron or steel.

Explore more 2026 Latest Japan import export trade data and shipment records for HS Code Spring and Lock Washers on TradeInt global trade data platform

Classification Path of HS Code 731821 in Japan

Section XV

Chapters (72-83) Base metals and articles of base metal

Chapter 73

Articles of iron or steel

HS Code 7318

Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers (including spring washers) and similar articles, of iron or steel

HS Code 731821

Nonthreaded articles : Spring washers and other lock washers

HS Code 731821000

Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter-pins, washers (including spring washers) and similar articles, of iron or steel > Spring washers and other lock washers 鉄鋼製のねじ、ボルト、ナット、コーチスクリュー、スクリューフック、リベット、コッター、コッターピン、座金（ばね座金を含む。）その他これらに類する製品 > －－ばね座金その他の止め座金

Japan Tariff Classification: Customs Tariff Schedules of Japan (Japan HS / Statistical Code)

In Japan, HS 731821 is classified under the Customs Tariff Schedules of Japan (実行関税率表) — a 9-digit national extension of the WCO 6-digit Harmonized System.

Tariff schedule Customs Tariff Schedules of Japan (Japan HS / Statistical Code)

Local name 実行関税率表

Digits 9

Official source https://www.customs.go.jp/english/

You know what 731821 means. Now see 2026 latest real trade activity for Spring and Lock Washers in Japan.

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

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Top Trading Product of HS Code 7318

Top Japan import Product Under HS Code 7318

1 731815: Threaded articles : Other screws and bolts, whether or not with their nuts or washers $390.7M 2 731816: Threaded articles : Nuts $223.3M 3 731819: Threaded articles : Other $64.5M

Figures shown for 2025.

For more 2026 recent data, search for Japan import trade records

Top Japan export Product Under HS Code 7318

1 731815: Threaded articles : Other screws and bolts, whether or not with their nuts or washers $1.3B 2 731816: Threaded articles : Nuts $549.3M 3 731822: Nonthreaded articles : Other washers $182.6M

Figures shown for 2025.

For more 2026 recent data, search for Japan export trade records

Related HS Code to Japan Spring and Lock Washers (731821)

HS Code 731821000

Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter-pins, washers (including spring washers) and similar articles, of iron or steel > Spring washers and other lock washers

HS Code 731811

Threaded articles : Coach screws

HS Code 731812

Threaded articles : Other wood screws

HS Code 731813

Threaded articles : Screw hooks and screw rings

HS Code 731814

Threaded articles : Selftapping screws

HS Code 731815

Threaded articles : Other screws and bolts, whether or not with their nuts or washers

HS Code 731816

Threaded articles : Nuts

HS Code 731819

Threaded articles : Other

HS Code 731822

Nonthreaded articles : Other washers

HS Code 731823

Nonthreaded articles : Rivets

Frequently Asked Questions

What is HS code 731821 in Japan?

HS code 731821 covers Nonthreaded articles : Spring washers and other lock washers in Japan. It sits in Chapter 73 (Articles of iron or steel), Heading 7318 of the Harmonized System, and is classified under Japan HS / Statistical Code.

Is HS code 731821 the same across all countries?

What system does Japan use to classify HS code 731821?

Where can I officially look up HS code 731821 in Japan?