Spring washers and other lock washers (HS 731821)
Spring washers and other lock washers (HS 731821) has 7,735 U.S. import bill-of-lading shipment records between May 2019 and May 2026. The largest U.S. importer of Spring washers and other lock washers is AS BOSCH FLORENCE KY, with 606 shipments, followed by THYSSENKRUPP BILSTEIN OF AMERICA and DAEWON AMERICA INC. The leading supplier is GUEDE GMBH, with 328 shipments, followed by JOPP AUTOMOTIVE GMBH and SEEGER ORBIS GMBH CO. Goods originate mainly from GERMANY and CHINA, arriving primarily at CHARLESTON, SC. Import volume has declined over the past 12 months versus the prior year.
Sourced from U.S. Customs bill of lading data · Updated monthly · Data through May 2026
Shipments over time (last 24 months)
Trade flow: top suppliers → U.S. importers
The strongest supplier-importer relationships for Spring washers and other lock washers (HS 731821), by shipment volume. Hover a ribbon for details; click a name to open its profile.
The largest relationship is JOPP AUTOMOTIVE GMBH → AS BOSCH FLORENCE KY with 245 shipments, followed by SEEGER ORBIS GMBH CO → AS BOSCH FLORENCE KY (171) and SCHERDEL GMBH → AS BOSCH FLORENCE KY (155).
Top U.S. importers
| Importer | Shipments |
|---|---|
| AS BOSCH FLORENCE KY | 606 |
| THYSSENKRUPP BILSTEIN OF AMERICA | 386 |
| DAEWON AMERICA INC | 209 |
| LINDSTROM METRIC LLC | 108 |
| ZIPWALL LLC | 96 |
Top suppliers
| Supplier | Shipments |
|---|---|
| GUEDE GMBH | 328 |
| JOPP AUTOMOTIVE GMBH | 258 |
| SEEGER ORBIS GMBH CO | 241 |
| HUGO BENZING GMBH & CO | 219 |
| SCHERDEL GMBH | 190 |
Origin countries
| Country | Shipments |
|---|---|
| GERMANY | 3,097 |
| CHINA | 2,214 |
| TAIWAN | 511 |
| REPUBLIC OF KOREA | 369 |
| INDIA | 227 |
| BELGIUM | 207 |
| TURKEY | 183 |
| JAPAN | 174 |
| SPAIN | 109 |
| ITALY | 98 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| CHARLESTON, SC | 1,696 |
| NEW YORK/NEWARK AREA, NEWARK, NJ | 1,450 |
| LOS ANGELES, CA | 917 |
| LONG BEACH, CA | 822 |
| NORFOLK, VA | 759 |
| HOUSTON, TX | 423 |
| SAVANNAH, GA | 410 |
| MOBILE, AL | 266 |
| TACOMA, WA | 245 |
| NEW YORK, NY | 136 |
Harmonized System classification
HS code 731821 — Spring washers and other lock washers. The Harmonized System is the international standard for classifying traded goods; U.S. Customs records this 6-digit code on every bill of lading.
Frequently asked questions about importing Spring washers and other lock washers
Who imports Spring washers and other lock washers (HS 731821)?
Based on U.S. Customs bill-of-lading records, the top U.S. importers of Spring washers and other lock washers include AS BOSCH FLORENCE KY, THYSSENKRUPP BILSTEIN OF AMERICA, DAEWON AMERICA INC, LINDSTROM METRIC LLC, and ZIPWALL LLC.
Who is the largest U.S. importer of Spring washers and other lock washers?
AS BOSCH FLORENCE KY is the largest U.S. importer of Spring washers and other lock washers (HS 731821), with 606 bill-of-lading shipment records.
Who are the top suppliers of Spring washers and other lock washers?
Leading suppliers shipping Spring washers and other lock washers (HS 731821) to the U.S. include GUEDE GMBH, JOPP AUTOMOTIVE GMBH, SEEGER ORBIS GMBH CO, HUGO BENZING GMBH & CO, and SCHERDEL GMBH.
How many U.S. shipments of Spring washers and other lock washers are there?
ImportDoor has 7,735 U.S. import shipment records under HS code 731821, spanning May 2019 to May 2026.
Where is Spring washers and other lock washers imported from?
Spring washers and other lock washers is imported into the U.S. primarily from GERMANY, CHINA, and TAIWAN.
Find Spring washers and other lock washers importers & suppliers
Get the complete list of U.S. importers and global suppliers for HS 731821, with contact details and container-level shipment records on ImportDoor.
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