The O-Ring, cataloged under National Stock Number 5331-00-582-7476, 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. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 13 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-00-582-7476 |
| Primary Part Number | 182478 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Woodward, Inc. Div Fuel Systems and Controls |
| Status | CANCELLED |
| Temp Rating | -70.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Outside Diameter | 0.493 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN |
| Hardness Rating | 65.0 SHORE DUROMETER A NOMINAL |
| Center Hole Diameter | 0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2-012 N506-65 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 182478 PRIMARY | Woodward, Inc. Div Fuel Systems and Controls (USA) |
| 30-96501-0043 | Mtu Aero Engines Ag (DEU) |
| AS3578-012 PRIMARY | Sae International Dba Sae International (USA) |
| 5800401-8663-013 | Hensoldt Sensors Gmbh (DEU) |
| Reference | Meaning |
|---|---|
| 5331005827476 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| MS9021-012 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| MS9021012 | 8/1 NATO reproduction reference Makine Ve Kimya Endustrisi Anonim Sirketi Agir Silah Fabrikasi Subesi |
| AS3578-012 | 5/1 Secondary reference Kd Ingenieurtechnik Gmbh |
| MS9021-012ES | 5/9 Secondary reference Eriks B.v. |
| AS3578-012 | 5/9 Secondary reference U.S. Government activity |
| 2-012 N506-65 | 5/9 Secondary reference Parker Hannifin Gmbh O-Ring Division |
| 10129571 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 5331PL1057390 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| MS9021-012 | 5/9 Secondary reference U.S. Government activity |
| 1355-039 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 182478 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| SAE-AS3578 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 5331-00-582-7476 is a O-Ring, manufactured by Woodward, Inc. Div Fuel Systems and Controls, classified under FSC 5331, O-ring. Status: cancelled.
NSN 5331-00-582-7476 has 5 manufacturer part numbers on file: 2-012 N506-65 (Parker-Hannifin Corp Div O-Ring Division), 182478 (Woodward, Inc. Div Fuel Systems and Controls), 30-96501-0043 (Mtu Aero Engines Ag), AS3578-012 (Sae International Dba Sae International), 5800401-8663-013 (Hensoldt Sensors Gmbh).
2 possible matches (shared part number, not a government interchangeability claim): 5331-01-092-1009, 6810-01-446-5244. Verify interchangeability with system specifications before substitution.
Key specifications for 182478: Temp Rating: -70.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Outside Diameter: 0.493 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN; Hardness Rating: 65.0 SHORE DUROMETER A NOMINAL. 6 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.
NSN 5331-00-582-7476 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.