The Disk Overload Valve,steam Turbin, cataloged under National Stock Number 2825-01-199-5779, is classified within Federal Supply Class 2825 (Steam Turbines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2825-01-199-5779 |
| Primary Part Number | 280026 |
| Item Name | Disk Overload Valve,steam Turbin |
| FSC / FSG | 2825 / 28 — Steam Turbines and Components |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| Status | ACTIVE |
| General Characteristics Item Description | CORROSION RESISTING STEEL |
| 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 |
|---|---|
| 280026 PRIMARY | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
| Reference | Meaning |
|---|---|
| 280026 | 5/9 Secondary reference U.S. Government activity |
| 21ND6393 | 5/9 Secondary reference U.S. Government activity |
| 21ND6393 | 5/9 Secondary reference U.S. Government activity |
| 280026 | 5/9 Secondary reference Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions |
| NH-7266 | D/9 Drawing number reference only U.S. Government activity |
| NH-7266 PIECE 21 | 5/9 Secondary reference U.S. Government activity |
| 280026 | 5/9 Secondary reference U.S. Government activity |
| NH-7266 PIECE 21 | 5/9 Secondary reference U.S. Government activity |
| 280026 | 3/9 Design control — primary reference Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand |
NSN 2825-01-199-5779 is a Disk Overload Valve,steam Turbin, manufactured by Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions, classified under FSC 2825, Steam Turbines and Components. Status: active.
NSN 2825-01-199-5779 has 1 manufacturer part number on file: 280026 (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-658-6352. Verify interchangeability with system specifications before substitution.
Key specifications for 280026: General Characteristics Item Description: CORROSION RESISTING STEEL. 1 specification is 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.