54 Man-made filaments
| Heading | Description | General |
|---|---|---|
| 5401 | Sewing thread of man-made filaments, whether or not put up for retail sale | — |
| 5402 | Synthetic filament yarn (other than sewing thread), not put up for retail sale, including synthetic monofilament of less than 67 decitex | — |
| 5403 | Artificial filament yarn (other than sewing thread), not put up for retail sale, including artificial monofilament of less than 67 decitex | — |
| 5404 | Synthetic monofilament of 67 decitex or more and of which no cross-sectional dimension exceeds 1 mm; strip and the like (for example, artificial straw) of synthetic textile materials of an apparent width not exceeding 5 mm | — |
| 5405 | Artificial monofilament of 67 decitex or more and of which no cross-sectional dimension exceeds 1 mm; strip and the like (for example, artificial straw) of artificial textile materials of an apparent width not exceeding 5 mm | — |
| 5406 | Man-made filament yarn (other than sewing thread), put up for retail sale | — |
| 5407 | Woven fabrics of synthetic filament yarn, including woven fabrics obtained from materials of heading 5404 | — |
| 5408 | Woven fabrics of artificial filament yarn, including woven fabrics obtained from materials of heading 5405 | — |
Source: USITC HTS (2026 Basic Edition, frozen to the exam). Rates shown at heading level; duty rates are set on 8/10-digit subheadings. Not legal or classification advice.