The Ring,wearing, cataloged under National Stock Number 4320-01-149-7286, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Trelleborg Sealing Solutions Us, Inc.. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Ring,wearing |
| FSC / FSG | 4320 — Power and Hand Pumps (FSG 43) |
| Manufacturers | Alfariver Defense S.l (CAGE 9331B); Trelleborg Sealing Solutions Us, Inc. (CAGE 09257) |
| Parameter | Value |
|---|---|
| NSN | 4320-01-149-7286 |
| Primary Part Number | S50704-2500ATURCITEB |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Trelleborg Sealing Solutions Us, Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| RE0021734 | Alfariver Defense S.l (ESP) |
| S50704-2500ATURCITEB PRIMARY | Trelleborg Sealing Solutions Us, Inc. (USA) |
| Reference | Meaning |
|---|---|
| S50704-2500ATURCITEB | 5/9 Secondary reference U.S. Government activity |
| 10051771 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 4320-01-149-7286 is a Ring,wearing, manufactured by Trelleborg Sealing Solutions Us, Inc., classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-149-7286 has 2 manufacturer part numbers on file: RE0021734 (Alfariver Defense S.l), S50704-2500ATURCITEB (Trelleborg Sealing Solutions Us, Inc.).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.