The O-Ring, cataloged under National Stock Number 5331-01-480-2218, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Air Liquide Advanced Technologies. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5331-01-480-2218 |
| Primary Part Number | W002144 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Air Liquide Advanced Technologies |
| Status | ACTIVE |
| 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 |
|---|---|
| W002144 | Air Liquide Advanced Technologies (FRA) |
| HADB 8200-17 | Air Liquide Advanced Technologies (FRA) |
| Reference | Meaning |
|---|---|
| 8200-17 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5331-01-480-2218 is a O-Ring, manufactured by Air Liquide Advanced Technologies, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-480-2218 has 2 manufacturer part numbers on file: W002144 (Air Liquide Advanced Technologies), HADB 8200-17 (Air Liquide Advanced Technologies).
1 possible match (shared part number, not a government interchangeability claim): 3510-01-591-7735. Verify interchangeability with system specifications before substitution.
Key specifications for W002144: End Item Identification: USED ON MICRA SECOND STAGE INDEPENDENT BACK UP BREATHING SYSTEM. 0 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.