840490Sub-heading (6-digit)Section XVI

HSN Code 840490 – Auxiliary Plant For Use With Boilers Of Heading 8402 Or 8403 (For Example, Economisers,…

Full GST classification for Auxiliary Plant For Use With Boilers Of Heading 8402 Or 8403 (For Example, Economisers,… — chapter, heading and tariff hierarchy, GST rate slabs and related HSN codes. Updated for India GST.

Search all HSN codesCheck GST rate

HSN Code

840490

Chapter

84

Digits

6-digit

Section

XVI

What is HSN Code 840490?

HSN code 840490 is the Harmonized System of Nomenclature classification for Auxiliary Plant For Use With Boilers Of Heading 8402 Or 8403 (For Example, Economisers,… 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 84 — Nuclear Reactors, Boilers, Machinery And Mechanical Appliances; Parts…, which is part of Section XVI: Machinery & Electrical Equipment. Every GST-registered business supplying auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economisers,… must quote HSN 840490 (or the digit-length required for its turnover) on tax invoices and in GSTR-1.

Classification breakdown of 840490

LevelCodeDescription
Chapter84nuclear reactors, boilers, machinery and mechanical appliances; parts thereof
Heading8404auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economisers, super heaters, soot removers, gas recoverers), condensers for steam or other vapour power units
Sub-heading840490parts

GST rate for HSN 840490

Goods under HSN 840490 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 Auxiliary Plant For Use With Boilers Of Heading 8402 Or 8403 (For Example, Economisers,… →

Sub-codes under this classification

HSN CodeDescription
84049000parts

HSN Code 840490 — FAQs

What is HSN code 840490?

HSN code 840490 classifies "Auxiliary Plant For Use With Boilers Of Heading 8402 Or 8403 (For Example, Economisers,…" under India's GST regime. It falls under Chapter 84 (Nuclear Reactors, Boilers, Machinery And Mechanical Appliances; Parts…) of the Harmonized System of Nomenclature.

How many digits is HSN code 840490?

840490 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 840490?

Goods under HSN 840490 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 Auxiliary Plant For Use With Boilers Of Heading 8402 Or 8403 (For Example, Economisers,….

Which chapter does HSN code 840490 belong to?

HSN 840490 belongs to Chapter 84 — Nuclear Reactors, Boilers, Machinery And Mechanical Appliances; Parts…, part of Section XVI: Machinery & Electrical Equipment.

Auto-fill HSN 840490 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.

Start Free TrialSchedule Demo