The Seal Ring Assembly,labyrinth, cataloged under National Stock Number 2825-00-074-9061, is classified within Federal Supply Class 2825 (Steam Turbines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Siemens Energy, Inc.. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Seal Ring Assembly,labyrinth |
| FSC / FSG | 2825 — Steam Turbines and Components (FSG 28) |
| Manufacturers | Siemens Energy, Inc. (CAGE 16712) |
| Parameter | Value |
|---|---|
| NSN | 2825-00-074-9061 |
| Primary Part Number | 141-0668 |
| Item Name | Seal Ring Assembly,labyrinth |
| FSC / FSG | 2825 / 28 — Steam Turbines and Components |
| Manufacturer | Siemens Energy, Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| 141-0668 PRIMARY | Siemens Energy, Inc. (USA) |
| D40770PC5 | Siemens Energy, Inc. (USA) |
| Reference | Meaning |
|---|---|
| D-40770 | D/9 Drawing number reference only Ships Parts Inc |
| MS-141FN | D/9 Drawing number reference only Ships Parts Inc |
| D40770PC5 | 5/9 Secondary reference Ships Parts Inc |
NSN 2825-00-074-9061 is a Seal Ring Assembly,labyrinth, manufactured by Siemens Energy, Inc., classified under FSC 2825, Steam Turbines and Components. Status: active.
NSN 2825-00-074-9061 has 2 manufacturer part numbers on file: 141-0668 (Siemens Energy, Inc.), D40770PC5 (Siemens Energy, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5331-00-258-6459. 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.