PartsTable TECHNICAL DATA SHEET

NSN 2825-01-295-9585Government record, cited

Seal Ring Assembly, Labyrinth2825-01-295-9585

NSN 2825-01-295-9585 · NIIN 012959585 · Part number 4MP217

Oerlikon Metco Us Inc · FSC 2825 — Steam Turbines and Components · FSG 28 — Engines, Turbines, and Components · CAGE 01FK3

Government record, cited

NSN 2825-01-295-9585 — this item is cataloged by the U.S. Government under National Stock Number 2825-01-295-9585. Manufacturer of record part number: 4MP217.

Also searched as 2825-01-295-9585 · 2825012959585 · NIIN 012959585 · 01-295-9585 · FSC 2825 Steam Turbines and Components · CAGE 01FK3 · 4MP217 · 4MP-217 · 4MP-217

Nearby stock numbers ← 2825-01-294-9469 Seal Ring Assembly, Labyrinth · 2825-01-296-9937 Piston, Tubrine →

Features

Seal Ring Assembly,labyrinth — FSC 2825
1 manufacturer part number on file
Manufacturer of record: Oerlikon Metco Us Inc

Identification

NSN: 2825-01-295-9585
NIIN: 012959585
FSC: 2825 — Steam Turbines and Components
FSG: 28 — Engines, Turbines, and Components
Primary part number: 4MP217
Manufacturer: Oerlikon Metco Us Inc

General Description

The Seal Ring Assembly,labyrinth, cataloged under National Stock Number 2825-01-295-9585, is classified within Federal Supply Class 2825 (Steam Turbines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Oerlikon Metco Us Inc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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

Parameter	Value
NSN	2825-01-295-9585
Primary Part Number	4MP217
Item Name	Seal Ring Assembly,labyrinth
FSC / FSG	2825 / 28 — Steam Turbines and Components
Manufacturer	Oerlikon Metco Us Inc
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

Part Number	Manufacturer
4MP217 PRIMARY	Oerlikon Metco Us Inc (USA)

Reference documents

Reference	Meaning
4MP217	5/9 Secondary reference Metco Inc Sub of the Perkin-Elmer Corp
4MP-217	5/9 Secondary reference Sulzer Metco Uk Ltd
4MP-217	5/9 Secondary reference Sulzer Metco (uk) Ltd

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 2825-01-295-9585?

NSN 2825-01-295-9585 is a Seal Ring Assembly,labyrinth, manufactured by Oerlikon Metco Us Inc, classified under FSC 2825, Steam Turbines and Components. Status: active.

What part numbers are listed for NSN 2825-01-295-9585?

NSN 2825-01-295-9585 has 1 manufacturer part number on file: 4MP217 (Oerlikon Metco Us Inc).

What are the specifications of 4MP217?

Key specifications for 4MP217: Part Name Assigned by Controlling Agency: SEAL ASSEMBLY,PACKING RING. 0 specifications are documented in the U.S. Government catalog.

Is NSN 2825-01-295-9585 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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