HSN Codes · Chapter 90: Optical, Medical, and Precision Instruments

HSN Code 90329000

Automatic regulating or controlling instruments and apparatus — parts and accessories — parts and accessories

Typical GST rate

Varies

Depends on sub-classification

Type

Goods

HSN classification

Code level

8-digit

Tariff item

Reading code 90329000

The first two digits (90) place this code in chapter 90 — Optical, Medical, and Precision Instruments. Heading 9032 groups the product family, and the remaining digits pin down this specific 8-digit classification. Remember: you can never invent a shorter code by truncating a longer one — only codes that exist in the official tariff are valid.

Medical and surgical instruments, diagnostic equipment, meters, lenses, and precision instruments — much of it at concessional 12%.

Parent heading

9032 — Automatic regulating or controlling instruments and apparatus

Related codes in heading 9032

  • 90321010 — For refrigerating and air-conditioning appliances and machinery
  • 90321090 — Automatic regulating or controlling instruments and apparatus — thermostats — other
  • 90322010 — For refrigerating and air-conditioning appliances and machinery
  • 90322090 — Automatic regulating or controlling instruments and apparatus — manostats — other
  • 90328100 — Automatic regulating or controlling instruments and apparatus — hydraulic or pneumatic — hydraulic or pneumatic
  • 90328910 — Automatic regulating or controlling instruments and apparatus — other — electronic automatic regulators
  • 90328990 — Automatic regulating or controlling instruments and apparatus — other — other

Frequently asked questions

The GST rate under 90329000 depends on the specific item and applicable notifications. Check the classification with our HSN code finder and confirm the rate before invoicing.
Businesses with annual aggregate turnover of ₹5 crore or more must report at least 6 digits on e-invoices and e-way bills; below ₹5 crore, 4 digits is the B2B minimum. Exports require 8 digits.
Every line item on a GST tax invoice carries its HSN code alongside the description, quantity, taxable value, and tax breakup. The code also flows into your GSTR-1 HSN summary and e-way bills.

Related tools & guides

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