HSN Codes · Chapter 84: Machinery and Mechanical Appliances

HSN Code 847521

Machines for making optical fibres and preforms thereof

Typical GST rate

Varies

Depends on sub-classification

Type

Goods

HSN classification

Code level

6-digit

Sub-heading

Reading code 847521

The first two digits (84) place this code in chapter 84 — Machinery and Mechanical Appliances. Heading 8475 groups the product family, and the remaining digits pin down this specific 6-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.

The biggest goods chapter: engines, pumps, compressors, ACs, refrigerators, computers and laptops (8471), and industrial machinery of every kind.

Parent heading

8475 — Machines for assembling electric or electronic lamps, tubes or valves or flash-bulbs, in glass envelopes, machines or manufacturing or hot working glass or glassware

More specific codes under 847521

  • 84752100 — Machines for making optical fibres and preforms thereof

Related codes in heading 8475

  • 847510 — Machines for assembling electric or electronic lamps, tubes or valves or flash-bulbs, in glass envelopes
  • 847529 — Machines for assembling electric or electronic lamps, tubes or valves or flash-bulbs, in glass envelopes, machines or manufacturing or hot working glass or glassware — other
  • 847590 — Machines for assembling electric or electronic lamps, tubes or valves or flash-bulbs, in glass envelopes, machines or manufacturing or hot working glass or glassware — parts

Frequently asked questions

The GST rate under 847521 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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