The O-Ring, cataloged under National Stock Number 5331-00-082-1110, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Siemens Energy, Inc.. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5331-00-082-1110 |
| Primary Part Number | CW-686N |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Siemens Energy, Inc. |
| Status | ACTIVE |
| Cross-Sectional Height | 0.275 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| 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 |
|---|---|
| A-11443 | Siemens Energy, Inc. (USA) |
| CW-686N PRIMARY | Siemens Energy, Inc. (USA) |
| CW686N | DC Fabricators Inc (USA) |
| Reference | Meaning |
|---|---|
| CW686N | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| N-082 | 5/9 Secondary reference North Broward Industries Inc Government Sales Div |
NSN 5331-00-082-1110 is a O-Ring, manufactured by Siemens Energy, Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-082-1110 has 3 manufacturer part numbers on file: A-11443 (Siemens Energy, Inc.), CW-686N (Siemens Energy, Inc.), CW686N (DC Fabricators Inc).
1 possible match (shared part number, not a government interchangeability claim): 4730-00-153-7405. Verify interchangeability with system specifications before substitution.
Key specifications for CW-686N: Cross-Sectional Height: 0.275 INCHES NOMINAL IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 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.