The Plate,guide, cataloged under National Stock Number 2825-01-318-0840, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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: Active.
| Parameter | Value |
|---|---|
| NSN | 2825-01-318-0840 |
| Primary Part Number | HC271S |
| Item Name | Plate,guide |
| 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 |
|---|---|
| HC271S PRIMARY | Siemens Energy, Inc. (USA) |
| TCC4410 C PIECE 79 | Siemens Energy, Inc. (USA) |
| Reference | Meaning |
|---|---|
| TCC4410 C | D/9 Drawing number reference only Siemens Energy, Inc. |
NSN 2825-01-318-0840 is a Plate,guide, manufactured by Siemens Energy, Inc., classified under FSC 2825, Steam Turbines and Components. Status: active.
NSN 2825-01-318-0840 has 2 manufacturer part numbers on file: HC271S (Siemens Energy, Inc.), TCC4410 C PIECE 79 (Siemens Energy, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-318-2707, 4420-01-318-2779. Verify interchangeability with system specifications before substitution.
Key specifications for HC271S: End Item Identification: IMO INDUSTRIES INC SPEED GOVERNOR. 0 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.