HSN code 840390

Sub-heading in chapter 84 — Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof

HSN code
840390

Central heating boilers other than thoseof heading 8402 – parts

Classification

Code typeHSN — Harmonized System of Nomenclature
LevelSub-heading (6 digits)
SectionSection XVI — Machinery and electrical equipment
Chapter 84Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof
Heading 8403Central heating boilers other than thoseof heading 8402
Sub-heading 840390Central heating boilers other than thoseof heading 8402 – parts

1 code under HSN 840390

Using HSN 840390 in GST

On GST invoices, a business with annual turnover up to ₹5 crore must show at least the first 4 digits (8403) on B2B invoices, and a business above ₹5 crore must show 6 digits (840390) on all invoices. The full 8-digit code is used for imports and exports.

The GST rate depends on the exact goods or service and any conditions in the rate notification, so it is not listed here. Check the official CBIC GST rate finder, then work out the tax with the GST calculator or make a bill with the GST invoice generator.

Frequently asked questions

What is HSN code 840390?

HSN code 840390 is the sub-heading for: Central heating boilers other than thoseof heading 8402 – parts.

What is the GST rate for HSN 840390?

GST rates are set by CBIC rate notifications and can depend on conditions, so check the CBIC GST rate finder for HSN 840390 before invoicing.

How many digits of HSN 840390 should I write on my invoice?

Up to ₹5 crore turnover: at least 4 digits (8403) on B2B invoices. Above ₹5 crore: 6 digits (840390) on all invoices.