90321090Tariff Item (8-digit)Section XVIII

HSN Code 90321090 – Thermostat

Full GST classification for Thermostat — chapter, heading and tariff hierarchy, and related HSN codes.

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HSN Code

90321090

Chapter

90

Digits

8-digit

Section

XVIII

What is HSN Code 90321090?

HSN code 90321090 is the Harmonized System of Nomenclature classification for Thermostat under India's Goods and Services Tax (GST). It is a 8-digit code sitting at the tariff item (8-digit) level of the HSN hierarchy.

This code belongs to Chapter 90 — Optical, Photographic, Cinematographic, Measuring, Checking, Precision, which is part of Section XVIII: Optical, Medical & Precision Instruments. Every GST-registered business supplying thermostat must quote HSN 90321090 (or the digit-length required for its turnover) on tax invoices and in GSTR-1.

Classification breakdown of 90321090

LevelCodeDescription
Chapter90optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof
Heading9032automatic regulating or controlling instruments and apparatus
Sub-heading903210thermostats :
Tariff90321090other

HSN Code 90321090 — FAQs

What is HSN code 90321090?

HSN code 90321090 classifies "Thermostat" under India's GST regime. It falls under Chapter 90 (Optical, Photographic, Cinematographic, Measuring, Checking, Precision) of the Harmonized System of Nomenclature.

How many digits is HSN code 90321090?

90321090 is a 8-digit HSN code — a tariff item (8-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.

Which chapter does HSN code 90321090 belong to?

HSN 90321090 belongs to Chapter 90 — Optical, Photographic, Cinematographic, Measuring, Checking, Precision, part of Section XVIII: Optical, Medical & Precision Instruments.

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