The O-Ring, cataloged under National Stock Number 5331-01-305-0671, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Taiwan Machinery Trade Center. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Taiwan Machinery Trade Center (CAGE 8X153) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-305-0671 |
| Primary Part Number | U2228 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Taiwan Machinery Trade Center |
| 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 |
|---|---|
| U2228 PRIMARY | Taiwan Machinery Trade Center (USA) |
| Reference | Meaning |
|---|---|
| U2228 | 5/9 Secondary reference West Coast Machine Tools Inc |
NSN 5331-01-305-0671 is a O-Ring, manufactured by Taiwan Machinery Trade Center, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-305-0671 has 1 manufacturer part number on file: U2228 (Taiwan Machinery Trade Center).
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.