Seal Ring Assembly, Labyrinth2825-01-475-7852

NSN 2825-01-475-7852 · NIIN 014757852

FSC 2825 — Steam Turbines and Components · FSG 28 — Engines, Turbines, and Components

Government record, cited

Also searched as 2825-01-475-7852 · 2825014757852 · NIIN 014757852 · 01-475-7852 · FSC 2825 Steam Turbines and Components · 2D64024-001 · 2D64024-001 · 2D64024

Nearby stock numbers ← 2825-01-475-6785 Seal, Strip · 2825-01-475-8828 →

Features

Seal Ring Assembly,labyrinth — FSC 2825
Outside Diameter: 15.620 INCHES MAXIMUM15.620 INCHES MAXIMUM IN
Inside Diameter: 12.620 INCHES MAXIMUM12.620 INCHES MAXIMUM IN
Height: 1.750 INCHES MAXIMUM1.750 INCHES MAXIMUM IN
Material: NICKEL ALLOY OVERALL

Identification

NSN: 2825-01-475-7852
NIIN: 014757852
FSC: 2825 — Steam Turbines and Components
FSG: 28 — Engines, Turbines, and Components

General Description

The Seal Ring Assembly,labyrinth, cataloged under National Stock Number 2825-01-475-7852, is classified within Federal Supply Class 2825 (Steam Turbines and Components) of the Engines, Turbines, and Components group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	2825-01-475-7852
Item Name	Seal Ring Assembly,labyrinth
FSC / FSG	2825 / 28 — Steam Turbines and Components
Status	ACTIVE
Outside Diameter	15.620 INCHES MAXIMUM15.620 INCHES MAXIMUM IN
Inside Diameter	12.620 INCHES MAXIMUM12.620 INCHES MAXIMUM IN
Height	1.750 INCHES MAXIMUM1.750 INCHES MAXIMUM IN
Material	NICKEL ALLOY OVERALL

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
2D64024-001	3/2 Design control — primary reference U.S. Government activity
2D64024-001	C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation
2D64024	D/9 Drawing number reference only U.S. Government activity

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.

2825-00-001-8044

2825-00-001-8044 · Item name not on file

2825-00-036-3377

IMPELLER

2825-00-146-0122

BUCKET ASSEMBLY

2825-00-146-0122

BUCKET ASSEMBLY

2825-00-146-0122

BUCKET ASSEMBLY

2825-00-373-0694

WHEEL,TURBINE

2825-00-373-0694

WHEEL,TURBINE

2825-00-388-6912

NOZZLE ASSEMBLY

Frequently Asked Questions

What is NSN 2825-01-475-7852?

NSN 2825-01-475-7852 is a Seal Ring Assembly,labyrinth, classified under FSC 2825, Steam Turbines and Components. Status: active.

What are the specifications of 2825-01-475-7852?

Key specifications for 2825-01-475-7852: Outside Diameter: 15.620 INCHES MAXIMUM15.620 INCHES MAXIMUM IN; Inside Diameter: 12.620 INCHES MAXIMUM12.620 INCHES MAXIMUM IN; Height: 1.750 INCHES MAXIMUM1.750 INCHES MAXIMUM IN; Part Name Assigned by Controlling Agency: SEAL RING, INLET NO.1 & NO.2SEAL RING, INLET NO.1 & NO.2. 4 specifications are documented in the U.S. Government catalog.

Is NSN 2825-01-475-7852 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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