The O-Ring, cataloged under National Stock Number 5331-00-168-5896, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Freudenberg Technical Products. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Freudenberg Technical Products (CAGE K0640) |
| Parameter | Value |
|---|---|
| NSN | 5331-00-168-5896 |
| Primary Part Number | R81350 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Freudenberg Technical Products |
| 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 |
|---|---|
| R81350 PRIMARY | Freudenberg Technical Products (GBR) |
| Reference | Meaning |
|---|---|
| W2987280PC57 | 5/9 Secondary reference Alstom Power Conversion Ltd,electrical Machines |
| W2987280PC57 | C/1 Advisory reference — outside the item-of-supply concept Ge Power Conversion Uk Ltd |
| W2987280PC57 | 5/9 Secondary reference Alstom T&d Ltd, Electrical Machines |
NSN 5331-00-168-5896 is a O-Ring, manufactured by Freudenberg Technical Products, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-168-5896 has 1 manufacturer part number on file: R81350 (Freudenberg Technical Products).
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.