# United States tariff lines under HS 3917.40

> The United States tariff splits HS 3917.40 (fittings) into 7 national lines: 3917.40.00.10 (for brake hoses for the vehicles of subheadings 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29 or headings 8702, 8703, 8704, 8705 or 8711), 3917.40.00.20 (of polyvinyl chloride), 3917.40.00.30 (of acrylonitrile-butadiene-styrene), 3917.40.00.50 (other) and 3 others. The general (MFN) duty is 5.3% on all 7 lines.

Source: https://border.bot/countries/united-states/hs-codes/391740
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 39](https://border.bot/countries/united-states/hs-codes/39) / [3917.40](https://border.bot/countries/united-states/hs-codes/391740)

## Key facts

- HS subheading: [3917.40](https://border.bot/hs-codes/391740)
- Duty (MFN): 5.3%
- National lines: 7
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 39: Plastics and articles thereof

## United States lines under 3917.40

The United States tariff splits HS 3917.40 (fittings) into 7 national lines: 3917.40.00.10 (for brake hoses for the vehicles of subheadings 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29 or headings 8702, 8703, 8704, 8705 or 8711), 3917.40.00.20 (of polyvinyl chloride), 3917.40.00.30 (of acrylonitrile-butadiene-styrene), 3917.40.00.50 (other) and 3 others.

The general (MFN) duty is 5.3% on all 7 lines.

- [3917.40.00.10](https://border.bot/countries/united-states/hs-codes/3917400010) Fittings, For brake hoses for the vehicles of subheadings 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29 or headings 8702, 8703, 8704, 8705 or 8711. Duty (MFN): 5.3%
- [3917.40.00.20](https://border.bot/countries/united-states/hs-codes/3917400020) Fittings, Plumbing fittings, not pressure rated (Drain/Waste/Vent (DWV)), Of polyvinyl chloride. Duty (MFN): 5.3%
- [3917.40.00.30](https://border.bot/countries/united-states/hs-codes/3917400030) Fittings, Plumbing fittings, not pressure rated (Drain/Waste/Vent (DWV)), Of acrylonitrile-butadiene-styrene. Duty (MFN): 5.3%
- [3917.40.00.50](https://border.bot/countries/united-states/hs-codes/3917400050) Fittings, Plumbing fittings, not pressure rated (Drain/Waste/Vent (DWV)), Other. Duty (MFN): 5.3%
- [3917.40.00.60](https://border.bot/countries/united-states/hs-codes/3917400060) Fittings, Other plumbing fittings, Of polyvinyl chloride. Duty (MFN): 5.3%
- [3917.40.00.80](https://border.bot/countries/united-states/hs-codes/3917400080) Fittings, Other plumbing fittings, Other. Duty (MFN): 5.3%
- [3917.40.00.95](https://border.bot/countries/united-states/hs-codes/3917400095) Fittings, Other. Duty (MFN): 5.3%

## In other countries

No other national tariff on border.bot has live lines under 3917.40 yet.

- [The Harmonized System text for 3917.40](https://border.bot/hs-codes/391740)

- Previous subheading: [3917.39](https://border.bot/countries/united-states/hs-codes/391739) Tubes, pipes and hoses and fittings therefor (for example, joints, elbows, flanges), of plastics
- Next subheading: [3918.10](https://border.bot/countries/united-states/hs-codes/391810) Of polymers of vinyl chloride

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 3917.40?

The United States tariff splits HS 3917.40 (fittings) into 7 national lines: 3917.40.00.10 (for brake hoses for the vehicles of subheadings 8701.21, 8701.22, 8701.23, 8701.24 or 8701.29 or headings 8702, 8703, 8704, 8705 or 8711), 3917.40.00.20 (of polyvinyl chloride), 3917.40.00.30 (of acrylonitrile-butadiene-styrene), 3917.40.00.50 (other) and 3 others.

### What is the duty on HS 3917.40 in the United States?

The general (MFN) duty is 5.3% on all 7 lines.

## Sources and updates

The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

This page was last updated on 9 October 2026.

Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.

Official source files:

- https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false

Machine-readable: https://border.bot/countries/united-states/hs-codes/391740.json