The O-Ring, cataloged under National Stock Number 5331-01-497-0473, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-497-0473 |
| Primary Part Number | 4904-99 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk |
| 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 |
|---|---|
| 4904-99 | Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk (GBR) |
| Reference | Meaning |
|---|---|
| 4904-99 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5331-01-497-0473 is a O-Ring, manufactured by Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-497-0473 has 1 manufacturer part number on file: 4904-99 (Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk).
Key specifications for 4904-99: Part Name Assigned by Controlling Agency: O-RING; End Item Identification: MAIN LANDING GEAR UNIT. 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.