The O-Ring, cataloged under National Stock Number 5331-00-470-5540, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Meggitt Aircraft Braking Systems Corporation. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-470-5540 |
| Primary Part Number | 9525588 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Meggitt Aircraft Braking Systems Corporation |
| Status | ACTIVE |
| Cross-Sectional Height | 0.198 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 |
|---|---|
| 9525588 | Bright Lights Usa, Inc Dba Blusa Defense Manufacturing (USA) |
| 9525588 PRIMARY | Meggitt Aircraft Braking Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 9525588 | 5/9 Secondary reference Loral Corp Aircraft Braking Systems Div |
| 9525588 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems |
| 9525588 | 5/9 Secondary reference Goodyear Tire and Rubber Co the |
NSN 5331-00-470-5540 is a O-Ring, manufactured by Meggitt Aircraft Braking Systems Corporation, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-470-5540 has 2 manufacturer part numbers on file: 9525588 (Bright Lights Usa, Inc Dba Blusa Defense Manufacturing), 9525588 (Meggitt Aircraft Braking Systems Corporation).
Key specifications for 9525588: Cross-Sectional Height: 0.198 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.