The Diaphragm,steam Turbine Engine, cataloged under National Stock Number 2825-01-453-0649, is classified within Federal Supply Class 2825 (Steam Turbines and Components) of the Engines, Turbines, and Components group. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
Catalog Facts
Item Name
Diaphragm,steam Turbine Engine
FSC / FSG
2825 — Steam Turbines and Components (FSG 28)
Technical Specifications
Parameter
Value
NSN
2825-01-453-0649
Item Name
Diaphragm,steam Turbine Engine
FSC / FSG
2825 / 28 — Steam Turbines and Components
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
509E618BYG-1
3/9Design control — primary reference
Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand
509E618BYG-1
C/1Advisory reference — outside the item-of-supply concept
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
509E618BY
D/9Drawing number reference only
General Electric Co Naval and Drive Turbine Systems Dept
509E618BYG-1
5/9Secondary reference
General Electric Co Naval and Drive Turbine Systems Dept
No interchangeability data on file.
Other items in FSC 2825 — Steam Turbines and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2825-00-001-8040
2825-00-001-8040 · Item name not on file
2825-00-001-8041
GUIDE,SPINDLE
2825-00-001-8042
2825-00-001-8042 · Item name not on file
2825-00-001-8043
2825-00-001-8043 · Item name not on file
2825-00-001-8044
2825-00-001-8044 · Item name not on file
2825-00-003-0377
2825-00-003-0377 · Item name not on file
2825-00-003-8649
2825-00-003-8649 · Item name not on file
2825-00-004-9102
2825-00-004-9102 · Item name not on file
Related Parts in Engines, Turbines, and Components
2825-00-001-8040
2825-00-001-8040 · Item name not on file
2825-00-001-8041
GUIDE,SPINDLE
34E27-1
2825-00-001-8042
2825-00-001-8042 · Item name not on file
2825-00-001-8043
2825-00-001-8043 · Item name not on file
2825-00-001-8044
2825-00-001-8044 · Item name not on file
2825-00-003-0377
2825-00-003-0377 · Item name not on file
2825-00-003-8649
2825-00-003-8649 · Item name not on file
2825-00-004-9102
2825-00-004-9102 · Item name not on file
Frequently Asked Questions
What is NSN 2825-01-453-0649?
NSN 2825-01-453-0649 is a Diaphragm,steam Turbine Engine, classified under FSC 2825, Steam Turbines and Components. Status: active.
Is NSN 2825-01-453-0649 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.