HSN Code 90328100: Hydraulic/pneumatic instruments

HSN Code 90328100 represents Hydraulic/pneumatic instruments under GST classification. This code helps businesses identify Hydraulic/pneumatic instruments correctly for billing, taxation, and trade. With HSN Code 90328100, companies can avoid errors in invoices, simplify compliance, and enable hassle-free import/export of Hydraulic/pneumatic instruments.

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Chapter Number	Chapter Name	Sub Chapter Number	Sub Chapter Name	Description of Goods	CGST (%)	SGST (%)	IGST (%)	CESS (%)
90	Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof	9032	Automatic regulating or controlling instruments and apparatus	Other instruments and apparatus : Hydraulic or pneumatic	9%	9%	18%	0%

Description of goods

Other instruments and apparatus : Hydraulic or pneumatic

Chapter

90 – Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof

Sub Chapter

9032 – Automatic regulating or controlling instruments and apparatus

CGST 9%

SGST 9%

IGST 18%

CESS 0%

HSN Code	Description
90321010	Thermostats : For refrigerating and air-conditioning appliances and machinery
90321090	Thermostats : Other
90322010	Manostats : For refrigerating and air-conditioning appliances and machinery
90322090	Manostats : Other
90328910	Other instruments and apparatus : Other : Electronic automatic regulators
90328990	Other instruments and apparatus : Other : Other
90329000	Parts and accessories

HSN Code 90321010

Thermostats : For refrigerating and air-conditioning appliances and machinery

HSN Code 90321090

Thermostats : Other

HSN Code 90322010

Manostats : For refrigerating and air-conditioning appliances and machinery

HSN Code 90322090

Manostats : Other

HSN Code 90328910

Other instruments and apparatus : Other : Electronic automatic regulators

HSN Code 90328990

Other instruments and apparatus : Other : Other

HSN Code 90329000

Parts and accessories

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What products are classified under HSN 90328100 ?

It includes Automatic Winding Wrist-Watches

Does packaging or labelling change the GST for Hydraulic/pneumatic instruments?

For food/agri items, GST can be 5% when not fresh/chilled and sold as pre‑packaged & labelled; otherwise often Nil. For non‑food items, rates depend on the specific sub‑heading.

How much GST applies to Hydraulic/pneumatic instruments?

Under HSN 90328100, Hydraulic/pneumatic instruments attracts Varies when sold in taxable form. Describe the exact form on the invoice.

How should mixed supplies be billed when Hydraulic/pneumatic instruments is sold with other items?

Use separate invoice lines per HSN and apply the correct rate per line (e.g., Varies for Hydraulic/pneumatic instruments; Nil for exempt items if applicable).

Any common misclassification issue with Hydraulic/pneumatic instruments?

Use the exact HSN and describe the form/grade. For multi‑line invoices, apply the rate per line to avoid wrong tax collection.

Do e‑way bill and e‑invoice apply for Hydraulic/pneumatic instruments?

e‑Way bill is needed above ₹50,000 consignment value (subject to exemptions). e‑Invoicing is turnover‑based (presently AATO > ₹5 crore) for B2B supplies.

Important Disclaimer

The above does not constitute professional advice or a formal recommendation. We recommend consulting a professional tax consultant before acting on the information contained in this piece of content.

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