The O-Ring, cataloged under National Stock Number 5331-00-409-5906, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Mission Systems Wimborne Limited Div Cobham Mission Systems Wimborne Ltd. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Mission Systems Wimborne Limited Div Cobham Mission Systems Wimborne Ltd (CAGE U1918) |
| Parameter | Value |
|---|---|
| NSN | 5331-00-409-5906 |
| Primary Part Number | FRS-40301-A234 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Mission Systems Wimborne Limited Div Cobham Mission Systems Wimborne Ltd |
| 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 |
|---|---|
| FRS-40301-A234 PRIMARY | Mission Systems Wimborne Limited Div Cobham Mission Systems Wimborne Ltd (GBR) |
| Reference | Meaning |
|---|---|
| SP911-12 | 5/9 Secondary reference Bsi Standards Limited |
| SP911-12 | 5/9 Secondary reference Mission Systems Wimborne Limited Div Cobham Mission Systems Wimborne Ltd |
NSN 5331-00-409-5906 is a O-Ring, manufactured by Mission Systems Wimborne Limited Div Cobham Mission Systems Wimborne Ltd, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-409-5906 has 1 manufacturer part number on file: FRS-40301-A234 (Mission Systems Wimborne Limited Div Cobham Mission Systems Wimborne Ltd).
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.