About Chapter 84
Chapter 84 of the Harmonized System of Nomenclature (HSN) is titled “Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof”. It is part of Section XVI, Machinery & Electrical Equipment, together with Chapter 85 (electrical machinery and equipment and parts thereof).
The chapter is divided into 87 headings, from 8401 (nuclear reactors; fuel elements, non-irradiated, for nuclear reactors) to 8487 (machines parts). The headings with the most codes that people search for are heating and cooling machinery (8419), centrifuges (8421), parts suitable for use solely or principally with the engines of heading 8407 or 8408 (8409), air pumps, compressors and fans (8414) and textile washing, dyeing machinery (8451).
Note 1 sends machinery of ceramic material to Chapter 69, laboratory glassware to heading 7017, and vacuum cleaners and electro-mechanical domestic appliances to headings 8508 and 8509 of Chapter 85.
Every heading is listed below. Under each are the codes that have their own page on Laabam One, 156 codes in this chapter, each with its full classification: its chapter, heading and sub-heading, and the codes beside it.
Every code in this chapter begins with 84: four digits make a heading, six a sub-heading, and eight a tariff item of India's Customs Tariff. How many of those digits a GST tax invoice shows depends on the business, not the goods: under Notification No. 78/2020 – Central Tax, from 1 April 2021, four digits where aggregate turnover in the previous financial year was up to ₹5 crore, and six above it. Up to ₹5 crore, the code may be left off invoices to unregistered buyers.
No GST rate is shown here. GST rates were revised in September 2025, and a rate appears on this site only once it has been checked against the CBIC rate notifications.
Sources: ITC(HS) Chapter 84, DGCI&S (title, headings and notes); Notification No. 78/2020 – Central Tax (HSN digits on invoices).