The O-Ring, cataloged under National Stock Number 5331-01-028-4450, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Woodward, Inc.. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-028-4450 |
| Primary Part Number | 82560-25 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Woodward, Inc. |
| Status | ACTIVE |
| Cross-Sectional Height | 0.047 INCHES NOMINAL IN |
| Material | RUBBER |
| 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 |
|---|---|
| 82560-25 PRIMARY | Woodward, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 505X84 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 82560-25 | 5/9 Secondary reference Woodward, Inc. Div Fuel Systems and Controls |
NSN 5331-01-028-4450 is a O-Ring, manufactured by Woodward, Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-028-4450 has 1 manufacturer part number on file: 82560-25 (Woodward, Inc.).
Key specifications for 82560-25: Cross-Sectional Height: 0.047 INCHES NOMINAL IN; Material: RUBBER. 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.