The Seal Ring Assembly,labyrinth, cataloged under National Stock Number 2825-01-230-5607, is classified within Federal Supply Class 2825 (Steam Turbines and Components) of the Engines, Turbines, and Components group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Seal Ring Assembly,labyrinth
FSC / FSG
2825 — Steam Turbines and Components (FSG 28)
Technical Specifications
Parameter
Value
NSN
2825-01-230-5607
Item Name
Seal Ring Assembly,labyrinth
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
⇄Related Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
2825-01-230-6712D15-460-L PIECE 95POSSIBLE MATCH
RING,PACKING
Possible match (shared part number)Northrop Grumman Systems Corporation Div Marine Systems
2825-01-230-67132017POSSIBLE MATCH
RING,PACKING
Possible match (shared part number)Northrop Grumman Systems Corporation Div Marine Systems
4820-01-231-278310106POSSIBLE MATCH
SEAT,VALVE
Possible match (shared part number)Northrop Grumman Systems Corporation Div Marine Systems
3020-01-257-1595D15-460-L PIECE 414POSSIBLE MATCH
GEAR,HELICAL
Possible match (shared part number)Northrop Grumman Systems Corporation Div Marine Systems
3020-01-257-1596D15-460-L PIECE 416POSSIBLE MATCH
GEAR,HELICAL
Possible match (shared part number)Northrop Grumman Systems Corporation Div Marine Systems
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
D15-460-L PIECE 114
3/2Design control — primary reference
U.S. Government activity
D15-460-L
D/9Drawing number reference only
U.S. Government activity
Related Parts
2825-01-230-6712POSSIBLE MATCH
RING,PACKING
D15-460-L PIECE 95
2825-01-230-6713POSSIBLE MATCH
RING,PACKING
2017
4820-01-231-2783POSSIBLE MATCH
SEAT,VALVE
10106
3020-01-257-1595POSSIBLE MATCH
GEAR,HELICAL
D15-460-L PIECE 414
3020-01-257-1596POSSIBLE MATCH
GEAR,HELICAL
D15-460-L PIECE 416
Frequently Asked Questions
What is NSN 2825-01-230-5607?
NSN 2825-01-230-5607 is a Seal Ring Assembly,labyrinth, classified under FSC 2825, Steam Turbines and Components. Status: active.
What NSN replaces 2825-01-230-5607?
5 possible matches (shared part number, not a government interchangeability claim): 2825-01-230-6712, 2825-01-230-6713, 4820-01-231-2783. Verify interchangeability with system specifications before substitution.
Is NSN 2825-01-230-5607 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.