731821Sub-heading (6-digit)Section XV

HSN Code 731821Spring Washers And Other Lock Washers

Full GST classification for Spring Washers And Other Lock Washers — chapter, heading and tariff hierarchy, GST rate slabs and related HSN codes. Updated for India GST.

HSN Code

731821

Chapter

73

Digits

6-digit

Section

XV

What is HSN Code 731821?

HSN code 731821 is the Harmonized System of Nomenclature classification for Spring Washers And Other Lock Washers under India's Goods and Services Tax (GST). It is a 6-digit code sitting at the sub-heading (6-digit) level of the HSN hierarchy.

This code belongs to Chapter 73 — Articles Of Iron Or Steel, which is part of Section XV: Base Metals & Articles Thereof. Every GST-registered business supplying spring washers and other lock washers must quote HSN 731821 (or the digit-length required for its turnover) on tax invoices and in GSTR-1.

Classification breakdown of 731821

LevelCodeDescription
Chapter73articles of iron or steel
Heading7318screws, bolts, nuts, coach-screws, screw hooks, rivets, cotters, cotter-pins, washers (including spring washers) and similar articles, of iron or steel
Sub-heading731821spring washers and other lock washers

GST rate for HSN 731821

Goods under HSN 731821 attract GST at one of the five standard slabs. The exact rate depends on the specific product and the latest GST Council notification — always confirm before invoicing.

0%

Nil / Exempt

Fresh produce, milk, cereals, books

5%

Merit rate

Essentials, packaged food, transport

12%

Standard-low

Processed food, mobiles, apparel > ₹1,000

18%

Standard

Most goods, electronics, services

28%

Demerit / luxury

Cars, cement, aerated drinks, tobacco

Find the exact GST rate for Spring Washers And Other Lock Washers

HSN Code 731821 — FAQs

What is HSN code 731821?

HSN code 731821 classifies "Spring Washers And Other Lock Washers" under India's GST regime. It falls under Chapter 73 (Articles Of Iron Or Steel) of the Harmonized System of Nomenclature.

How many digits is HSN code 731821?

731821 is a 6-digit HSN code — a sub-heading (6-digit). Businesses declare 4-digit HSN (turnover up to ₹5 crore) or 6-digit HSN (above ₹5 crore) on GST invoices; 8-digit codes are used for exports and imports.

What is the GST rate for HSN code 731821?

Goods under HSN 731821 are taxed at one of the GST slabs — 0%, 5%, 12%, 18% or 28% — depending on the exact product and the latest GST Council notification. Use the Laabam.One GST Rate Finder to confirm the current rate for Spring Washers And Other Lock Washers.

Which chapter does HSN code 731821 belong to?

HSN 731821 belongs to Chapter 73 — Articles Of Iron Or Steel, part of Section XV: Base Metals & Articles Thereof.

Auto-fill HSN 731821 on every invoice

Laabam.One ERP stores HSN codes against your products and auto-populates them on GST invoices, e-invoices and GSTR-1 — no manual lookup, no classification errors.