The O-Ring, cataloged under National Stock Number 5331-01-053-4449, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Woodward, Inc. Div Fuel Systems and Controls. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Safran Helicopter Engines (CAGE F0228); Woodward, Inc. Div Fuel Systems and Controls (CAGE 66503) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-053-4449 |
| Primary Part Number | 182573 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Woodward, Inc. Div Fuel Systems and Controls |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 9292910210 | Safran Helicopter Engines (FRA) |
| 182573 PRIMARY | Woodward, Inc. Div Fuel Systems and Controls (USA) |
NSN 5331-01-053-4449 is a O-Ring, manufactured by Woodward, Inc. Div Fuel Systems and Controls, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-053-4449 has 2 manufacturer part numbers on file: 9292910210 (Safran Helicopter Engines), 182573 (Woodward, Inc. Div Fuel Systems and Controls).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-314-0966. Verify interchangeability with system specifications before substitution.
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.