Importers of HS 8424.90 (of simple piston pump sprays and powder bellows) from Vietnam actually paid 10.11% on the taxed portion of the value in 2026-06 — 10.06% across everything shipped, taxed or not. Measured from official duty receipts, not the rulebook: the statutory MFN base rate on this code is 2.9%. Over the window the rate on the taxed portion moved null% → 10.11%, with the largest single step +25pp in 2025-03. Measured from official US duty receipts · as-of 2026-06 · confidence: measured, not modelled. The HTS base rate is 2.9% — importers actually paid 10.11%, so the trade-war overlay added 7.2 pts, measured at the border (not a summed rulebook estimate). Reproduce exactly: tariff_story(hs: "8424.90", origin: "Vietnam") · see it at trimtabist.com/tariffs
HS 8424.90. The schedule base rate is 2.9%; importers from Vietnam actually paid 10.11% on the dutiable value in 2026-06 — the trade-war overlay added 7.2 points, measured at the border. Measured, not modelled.
Over the window the collected rate moved % (2023-07) → 10.11% (2026-06), largest single step +25pp in 2025-03.
Vietnam's lower duty (10.06% vs 16.36%) lets it price up to 5.7% above China at the factory and still match on duty-inclusive customs cost. But on the LATEST measured prices, Vietnam actually lands cheaper — $5.65/kg vs $6.26/kg (duty in, freight out).
All goods from Vietnam · the whole tariff ledger · 9 CBP rulings cite this code · reproduce: tariff_story(hs: "8424.90", origin: "Vietnam") via /connect. Not customs or legal advice.