The O-Ring, cataloged under National Stock Number 5331-00-491-5491, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Eriks Sealing & Polymer Limited. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-491-5491 |
| Primary Part Number | W02307 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Eriks Sealing & Polymer Limited |
| Status | ACTIVE |
| Cross-Sectional Height | 0.070 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC |
| 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 |
|---|---|
| W02307 PRIMARY | Eriks Sealing & Polymer Limited (GBR) |
| Reference | Meaning |
|---|---|
| W2987280PC123 | C/1 Advisory reference — outside the item-of-supply concept Ge Power Conversion Uk Ltd |
| X2987364PC72 | C/1 Advisory reference — outside the item-of-supply concept Ge Power Conversion Uk Ltd |
| X2987364PC72 | 5/9 Secondary reference Alstom T&d Ltd, Electrical Machines |
| X2987364PC72 | 5/9 Secondary reference Alstom Power Conversion Ltd,electrical Machines |
| W2987280PC123 | 5/9 Secondary reference Alstom Power Conversion Ltd,electrical Machines |
| W2987280PC123 | 5/9 Secondary reference Alstom T&d Ltd, Electrical Machines |
NSN 5331-00-491-5491 is a O-Ring, manufactured by Eriks Sealing & Polymer Limited, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-491-5491 has 1 manufacturer part number on file: W02307 (Eriks Sealing & Polymer Limited).
Key specifications for W02307: Cross-Sectional Height: 0.070 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC. 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.