The O-Ring, cataloged under National Stock Number 5331-00-290-8813, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Souriau Usa, Inc. Dba Souriau Usa Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-290-8813 |
| Primary Part Number | A2629-6 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Souriau Usa, Inc. Dba Souriau Usa Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.103 INCHES NOMINAL IN |
| Material | RUBBER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| A2629-6 PRIMARY | Souriau Usa, Inc. Dba Souriau Usa Inc (USA) |
| 332K219 PRIMARY | General Dynamics Mission Systems, Inc. Dba Gdms (USA) |
| Reference | Meaning |
|---|---|
| 332K219 | 5/9 Secondary reference U.S. Government activity |
| 16582-4 | 5/9 Secondary reference U.S. Government activity |
NSN 5331-00-290-8813 is a O-Ring, manufactured by Souriau Usa, Inc. Dba Souriau Usa Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-290-8813 has 2 manufacturer part numbers on file: A2629-6 (Souriau Usa, Inc. Dba Souriau Usa Inc), 332K219 (General Dynamics Mission Systems, Inc. Dba Gdms).
1 possible match (shared part number, not a government interchangeability claim): 6515-01-061-8792. Verify interchangeability with system specifications before substitution.
Key specifications for A2629-6: Cross-Sectional Height: 0.103 INCHES NOMINAL IN; Material: RUBBER. 2 specifications are documented in the U.S. Government catalog.
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.