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HSChapter 90
U.S. imports of parts and accessories for drawing, marking-out, calculating & length measuring instruments (HS 901790) totaled $73K in April 2026, traded with 12 countries.
Parts and Accessories for Drawing, Marking-Out, Calculating & Length Measuring Instruments imports of $73K in April 2026 ran 54% below the year-to-date monthly average of $158K.
Last updated: April 2026 dataReplacement parts and accessories for the full suite of Chapter 90.17 instruments — from plotter components to caliper jaws and tape measure housings — are classified here, with the US schedule providing parent-instrument-specific lines that mirror the structure of the complete-instrument subheadings. Thailand is the leading import source, followed by China and Germany, a mix that reflects both the Southeast Asian manufacturing base for consumer-grade tool components and European sourcing for precision metrology parts. Correct classification requires identifying the parent instrument to which the part belongs, as each 10-digit line is keyed to a specific subheading of 9017.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Each 10-digit line under 9017900000 is keyed to a specific parent subheading — for example, parts of articles of subheading 9017.30.40 (micrometers and calipers) versus parts of articles of subheading 9017.30.80 (gauges). The importer must first classify the complete instrument, then select the corresponding parts line. When a component is compatible with instruments across multiple subheadings, classification follows the subheading of the instrument for which the part is principally designed. Technical documentation and manufacturer specifications are the primary evidence.
Yes, parts and accessories originating in China that are classified under this heading are generally subject to Section 301 tariffs. China is a significant supplier of components for consumer-grade measuring tools, and importers should factor the additional duty into landed-cost analysis. Thailand, the leading supplier, is not subject to Section 301 measures, which has contributed to its prominence in this parts category.
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| Country | Imports | Exports | Balance |
|---|---|---|---|
| CANADA | $12K | $144K | +$132K |
| MEXICO | $13K | $97K | +$84K |
| KOREA, SOUTH | $25K | -- | -$25K |
| DOMINICAN REPUBLIC | -- | $16K | +$16K |
| COLOMBIA | -- | $6K | +$6K |
Monthly import values over time
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 9017900160 | PARTS & ACCESSORIES OF DRAWING, MARKING-OUT OR.... | $52K | 5.29% | $189 |
| 9017900150 | PTS & ACCESSORIES OF ARTICLES OF SUBHDG 9017.30.80 | $12K | -- | -- |
| 9017900115 | PARTS & ACCESSORIES OF ARTCLS OF SUBHDG 9017.10.80 | $9K | 3.91% | $211 |
| 9017900140 | PTS & ACCESSORIES OF ARTICLES OF SUBHDG 9017.30.40 | $0 | -- | -- |
| 9017900136 | PTS & ACCESSORIES OF ARTICLES OF SUBHDG 9017.20.80 | $0 | -- | -- |
| 9017900132 | PTS & ACCESSORIES OF ARTICLES OF SUBHDG 9017.20.70 | $0 | -- | -- |
| 9017900105 | PARTS & ACCESSORIES OF ARTCLS OF SUBHDG 9017.10.40 | $0 | -- | -- |
PARTS & ACCESSORIES OF DRAWING, MARKING-OUT OR....
PTS & ACCESSORIES OF ARTICLES OF SUBHDG 9017.30.80
PARTS & ACCESSORIES OF ARTCLS OF SUBHDG 9017.10.80
PTS & ACCESSORIES OF ARTICLES OF SUBHDG 9017.30.40
PTS & ACCESSORIES OF ARTICLES OF SUBHDG 9017.20.80
PTS & ACCESSORIES OF ARTICLES OF SUBHDG 9017.20.70
PARTS & ACCESSORIES OF ARTCLS OF SUBHDG 9017.10.40
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 9017900165 | PARTS & ACCESSOIRES OF DRAWING, MARKING-OUT OR.... | $257K |
| 9017900110 | PTS & ACCESS OF ARTICLES OF SCHD B SUBHDG 901710 | $19K |
| 9017900150 | PTS & ACCESSORIES OF ARTICLES OF SUBHDG 9017.30.80 | $12K |
| 9017900136 | PTS & ACCESSORIES OF ARTICLES OF SUBHDG 9017.20.80 | $0 |
| 9017900140 | PTS & ACCESSORIES OF ARTICLES OF SUBHDG 9017.30.40 | $0 |
PARTS & ACCESSOIRES OF DRAWING, MARKING-OUT OR....
1.7K kg
PTS & ACCESS OF ARTICLES OF SCHD B SUBHDG 901710
73 kg
PTS & ACCESSORIES OF ARTICLES OF SUBHDG 9017.30.80
28 kg
PTS & ACCESSORIES OF ARTICLES OF SUBHDG 9017.20.80
PTS & ACCESSORIES OF ARTICLES OF SUBHDG 9017.30.40
INSTR & APPL F MEDICAL SURGICAL DENTAL VET, NESOI
HS 901890
MED NEEDLES. NESOI, CATHERERS ETC AND PARTS ETC
HS 901839
ARTIFICIAL JOINTS & PARTS & ACCESSORIES THEROF,NES
HS 902139
ELECTRO-DIAGNOSTIC APPARATUS NESOI, AND PARTS ETC.
HS 901819
OZONE,OXYGEN,ETC THERAPY, RESPIRATION APPARATUS,PT
HS 901920
MEAS CHECKNG INSTRUMENT & MACH, NOT OPTICAL, NESOI
HS 903180
| State | Imports | Exports | Balance |
|---|---|---|---|
| Unidentified | -- | $99K | +$99K |
| Texas | -- | $70K | +$70K |
| Wisconsin | $28K | $4K | -$24K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| LOW VALUE | -- | $99K | +$99K |
| YSLETA, TX | -- | $57K | +$57K |
| LAREDO, TX | $13K | $34K | +$21K |