The Nozzle Diaphragm,tu, cataloged under National Stock Number 2825-00-372-9171, is classified within Federal Supply Class 2825 (Steam Turbines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is General Electric Company. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Nozzle Diaphragm,tu |
| FSC / FSG | 2825 — Steam Turbines and Components (FSG 28) |
| Manufacturers | General Electric Company (CAGE 01289); General Electric Company (CAGE 24446) |
| Parameter | Value |
|---|---|
| NSN | 2825-00-372-9171 |
| Primary Part Number | WW5939323 |
| Item Name | Nozzle Diaphragm,tu |
| FSC / FSG | 2825 / 28 — Steam Turbines and Components |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 438C569-1 | General Electric Company (USA) |
| WW5939323 PRIMARY | General Electric Company (USA) |
| 5329173 | General Electric Company (USA) |
| WW8258443 PRIMARY | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| DD692S4101-81 | 3/2 Design control — primary reference U.S. Government activity |
| DD453S41-0301 | 3/2 Design control — primary reference U.S. Government activity |
| 5329173 | C/1 Advisory reference — outside the item-of-supply concept General Electric Company |
| DD445S4101-10 | 3/2 Design control — primary reference U.S. Government activity |
| DD423S41-0301 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2825-00-372-9171 is a Nozzle Diaphragm,tu, manufactured by General Electric Company, classified under FSC 2825, Steam Turbines and Components. Status: active.
NSN 2825-00-372-9171 has 4 manufacturer part numbers on file: 438C569-1 (General Electric Company), WW5939323 (General Electric Company), 5329173 (General Electric Company), WW8258443 (General Electric Company).
1 possible match (shared part number, not a government interchangeability claim): 2920-00-714-8686. 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.