U.S. imports of Parts and Accessories of Optical Instruments and Appliances of Subheading 9031.41 or 9031.49.70 (HS 9031905400) totaled $24.1M in August 2026, imported from 35 countries.

Importers of Parts and Accessories of Optical Instruments and Appliances of Subheading 9031.41 or 9031.49.70 paid $341K in duties in August 2026, an average duty rate of 1.63% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule.

Average import price $236.13/kg · 672 import shipments a month

Parts and Accessories of Optical Instruments and Appliances of Subheading 9031.41 or 9031.49.70

HS 9031905400HTS number10-digit

U.S. imports · August 2026: $24.1M; YTD $187.8M

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U.S. imports of Parts and Accessories of Optical Instruments and Appliances of Subheading 9031.41 or 9031.49.70 (HS 9031905400) totaled $24.1M in August 2026, imported from 35 countries.

Importers of Parts and Accessories of Optical Instruments and Appliances of Subheading 9031.41 or 9031.49.70 paid $341K in duties in August 2026, an average duty rate of 1.63% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule.

Last updated: August 2026 data Last updated: August 2026 data

Average import price $236.13/kg · 672 import shipments a month

12-month trend

Imports

$24.1MYoY · free account

Low of 8 reported months · imports

Low · free account

$31.0M$0

September 2025February 2026August 2026

Through August 2026 · imports 8 of 12 months reported. Source: U.S. Census Bureau.

Where it comes from, where it lands, what it pays

Imports · August 2026

Countries

origin

Japan and Singapore together supply 45% of it.

All 35 countries →

Districts

customs district

None recorded for this period.

States

destination

Census publishes state breakdowns to the 6-digit level only. See HS 903190 for those.

Ports

entry

Census publishes port breakdowns to the 6-digit level only. See HS 903190 for those.

Tariff programs

rate provision · imports

None recorded for this period.

HS 9031904500Bases & Frames for Coord-Measurg Mach of 9031.4040$629K HS 9031905900Parts, Oth Optical Inst&appln, Exc Test Benches, Nes$15.6M HS 9031902100Parts and Accessories of Profile Projectors$658K HS 9031907000Parts & Acces of Articles of Subheading 9031.80.40$4.4M

Companies trading this product

View all

Suppliers (1)

ENC7 (Langfang Jingzheng Optoelectronic Technology Co., Ltd.)
Supplier
Langfang, ChinaManufacturerListing verified Oct 2026
ENC7 manufactures precision encoder discs (code wheels) since 2007: chrome-on-glass, metal/stainless reflective and PC film discs for incremental, absolute and sin/cos encoders. ISO 9001:2015 certified. OEM to drawing, MOQ 100 pcs, 5-7 day…
- 9031.90Parts & Accessories for Measuring, Checking Instruments & Profile Projectors

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Parts and Accessories of Optical Instruments and Appliances of Subheading 9031.41 or 9031.49.70

HS 9031905400HTS number10-digit

U.S. imports · August 2026: $24.1M; YTD $187.8M

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Last updated: August 2026 data

12-month trend

Imports

$24.1MYoY · free account

Low of 8 reported months · imports

Low · free account

$31.0M$0

September 2025February 2026August 2026

Through August 2026 · imports 8 of 12 months reported. Source: U.S. Census Bureau.

Where it comes from, where it lands, what it pays

Imports · August 2026

Countries

origin

Japan and Singapore together supply 45% of it.

All 35 countries →

Districts

customs district

None recorded for this period.

States

destination

Census publishes state breakdowns to the 6-digit level only. See HS 903190 for those.

Ports

entry

Census publishes port breakdowns to the 6-digit level only. See HS 903190 for those.

Tariff programs

rate provision · imports

None recorded for this period.

HS 9031904500Bases & Frames for Coord-Measurg Mach of 9031.4040$629K HS 9031905900Parts, Oth Optical Inst&appln, Exc Test Benches, Nes$15.6M HS 9031902100Parts and Accessories of Profile Projectors$658K HS 9031907000Parts & Acces of Articles of Subheading 9031.80.40$4.4M

Companies trading this product

View all

Suppliers (1)

ENC7 (Langfang Jingzheng Optoelectronic Technology Co., Ltd.)
Supplier
Langfang, ChinaManufacturerListing verified Oct 2026
ENC7 manufactures precision encoder discs (code wheels) since 2007: chrome-on-glass, metal/stainless reflective and PC film discs for incremental, absolute and sin/cos encoders. ISO 9001:2015 certified. OEM to drawing, MOQ 100 pcs, 5-7 day…
- 9031.90Parts & Accessories for Measuring, Checking Instruments & Profile Projectors

Trade Directory

Do you supply or buy this product?

List your company and tag the 6-digit products you trade, so the companies trading them can find you. 1 supplier listed.

Statistical number 2 of 9 in subheading 903190

Share of subheading 903190 imports20%

Statistical number 9031905400 · $24.1M of $120.3M

Other tariff lines under HS 903190

Companies trading this product

Suppliers (1)

ENC7 (Langfang Jingzheng Optoelectronic Technology Co., Ltd.)

Do you supply or buy this product?

Other tariff lines under HS 903190

Companies trading this product

Suppliers (1)

ENC7 (Langfang Jingzheng Optoelectronic Technology Co., Ltd.)

Do you supply or buy this product?