Heading 9020

HTS code 9020 — Other breathing appliances and gas masks, excluding protective masks having neither mechanical parts nor replaceable filters; parts and accessories thereof

Chapter
90 — Optical and medical instruments
Tariff lines
3
General duty
General duty rate of 2.5%, with 1 duty-free line

Tariff lines under heading 9020

Full 10-digit codes with their general (MFN) duty rates. The correct line depends on the product's material, construction, and use.

HTS codeDescriptionGeneral rateUnit
9020.00.4000Underwater breathing devices designed as a complete unit to be carried on the person and not requiring attendants (Other breathing appliances and gas masks, excluding protective masks having neither mechanical parts nor replaceable filters; parts and accessories thereof)FreeNo.
9020.00.6000Other breathing appliances and gas masks (Other breathing appliances and gas masks, excluding protective masks having neither mechanical parts nor replaceable filters; parts and accessories thereof)2.5%No.
9020.00.9000Other (Other breathing appliances and gas masks, excluding protective masks having neither mechanical parts nor replaceable filters; parts and accessories thereof)2.5%kg

Documents required to import under 9020

Customs paperwork typically required to import these goods into the United States. Conditional items depend on shipment value, transport mode, or origin.

  • Commercial InvoiceRequired
  • Packing ListRequired
  • Bill of Lading / Airway BillRequired
  • CBP Entry Summary (7501)Required

    Prepared and filed by your customs broker

  • CBP Entry / Release (3461)Required

    Prepared and filed by your customs broker

  • Customs Bond (CBP 301)Conditional

    Required for formal entries — generally shipments valued over $2,500

    Single-entry or continuous bond, obtained through your broker or a surety

  • Importer Security Filing (ISF "10+2")Conditional

    Required for ocean freight only

    Filed electronically at least 24 hours before loading at the foreign port

  • Importer ID Input Record (CBP 5106)Conditional

    Required to establish or update your importer-of-record number with CBP

    One-time setup for a new importer; not filed per shipment

  • Entry Manifest (CBP 7533)Conditional

    Alternative to the 3461 for informal, low-value, or contiguous-country entries

Common questions

What is HTS code 9020?
HTS heading 9020 covers other breathing appliances and gas masks, excluding protective masks having neither mechanical parts nor replaceable filters; parts and accessories thereof. It sits in Chapter 90 (optical and medical instruments) of the US Harmonized Tariff Schedule and contains 3 tariff lines.
What is the duty rate for HTS 9020?
General duty rate of 2.5%, with 1 duty-free line. The general rate applies to most-favoured-nation trading partners; goods from countries with a free trade agreement may qualify for a reduced or duty-free special rate.
How many digits does a full HTS code have?
US import entries require the full 10-digit HTS code. Heading 9020 is the first four digits — the remaining six narrow it down to the specific product, which is what determines the duty rate you actually pay.

Related headings in Chapter 90