PartsTable TECHNICAL DATA SHEET
NSN 2825-01-197-4942Government record, cited

Diffuser, First Stag2825-01-197-4942

NSN 2825-01-197-4942 · NIIN 011974942 · Part number EW-99FF
DC Fabricators Inc · FSC 2825 — Steam Turbines and Components · FSG 28 — Engines, Turbines, and Components · CAGE 65427
Government record, cited
NSN 2825-01-197-4942 — this item is cataloged by the U.S. Government under National Stock Number 2825-01-197-4942. Manufacturer of record part number: EW-99FF.
Also searched as  2825-01-197-4942 · 2825011974942 · NIIN 011974942 · 01-197-4942 · FSC 2825 Steam Turbines and Components · CAGE 65427 · EW-99FF · EW-2300H PIECE 845 · EW-2300H
Nearby stock numbers  ·
Features
  • Diffuser,first Stag — FSC 2825
  • General Characteristics Item Description: STEEL,ASTM A276,TYPE 304
  • 1 manufacturer part number on file
  • Manufacturer of record: DC Fabricators Inc
Identification
  • NSN: 2825-01-197-4942
  • NIIN: 011974942
  • FSC: 2825 — Steam Turbines and Components
  • FSG: 28 — Engines, Turbines, and Components
  • Primary part number: EW-99FF
  • Manufacturer: DC Fabricators Inc
General Description

The Diffuser,first Stag, cataloged under National Stock Number 2825-01-197-4942, is classified within Federal Supply Class 2825 (Steam Turbines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is DC Fabricators Inc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2825-01-197-4942
Primary Part NumberEW-99FF
Item NameDiffuser,first Stag
FSC / FSG2825 / 28 — Steam Turbines and Components
ManufacturerDC Fabricators Inc
StatusACTIVE
General Characteristics Item DescriptionSTEEL,ASTM A276,TYPE 304
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
EW-99FF PRIMARY DC Fabricators Inc (USA)
Reference documents
ReferenceMeaning
EW-2300H PIECE 845 5/9 Secondary reference
Siemens Energy, Inc.
EW-99FF 5/9 Secondary reference
Siemens Energy, Inc.
EW-2300H D/9 Drawing number reference only
Siemens Energy, Inc.

Frequently Asked Questions

What is NSN 2825-01-197-4942?

NSN 2825-01-197-4942 is a Diffuser,first Stag, manufactured by DC Fabricators Inc, classified under FSC 2825, Steam Turbines and Components. Status: active.

What part numbers are listed for NSN 2825-01-197-4942?

NSN 2825-01-197-4942 has 1 manufacturer part number on file: EW-99FF (DC Fabricators Inc).

What are the specifications of EW-99FF?

Key specifications for EW-99FF: General Characteristics Item Description: STEEL,ASTM A276,TYPE 304. 1 specification is documented in the U.S. Government catalog.

Is NSN 2825-01-197-4942 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

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.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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