PartsTable TECHNICAL DATA SHEET

NSN 2825-01-168-2027Government record, cited

Diaphragm, Steam Turbine2825-01-168-2027

NSN 2825-01-168-2027 · NIIN 011682027 · Part number GJ-52NAUL

Siemens Energy, Inc. · FSC 2825 — Steam Turbines and Components · FSG 28 — Engines, Turbines, and Components · CAGE 16712

Government record, cited

NSN 2825-01-168-2027 — this item is cataloged by the U.S. Government under National Stock Number 2825-01-168-2027. Manufacturer of record part number: GJ-52NAUL.

Also searched as 2825-01-168-2027 · 2825011682027 · NIIN 011682027 · 01-168-2027 · FSC 2825 Steam Turbines and Components · CAGE 16712 · GJ-52NAUL · H-3503PIECE13 · H-3503

Nearby stock numbers ← 2825-01-168-2022 · 2825-01-168-2028 →

Features

Diaphragm,steam Turbine — FSC 2825
General Characteristics Item Description: STEEL,QQ-S-691 CL A1
2 manufacturer part numbers on file
Manufacturer of record: Siemens Energy, Inc.

Identification

NSN: 2825-01-168-2027
NIIN: 011682027
FSC: 2825 — Steam Turbines and Components
FSG: 28 — Engines, Turbines, and Components
Primary part number: GJ-52NAUL
Manufacturer: Siemens Energy, Inc.

General Description

The Diaphragm,steam Turbine, cataloged under National Stock Number 2825-01-168-2027, is classified within Federal Supply Class 2825 (Steam Turbines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Siemens Energy, Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	2825-01-168-2027
Primary Part Number	GJ-52NAUL
Item Name	Diaphragm,steam Turbine
FSC / FSG	2825 / 28 — Steam Turbines and Components
Manufacturer	Siemens Energy, Inc.
Status	ACTIVE
General Characteristics Item Description	STEEL,QQ-S-691 CL A1

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 Items 9

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

5342-01-168-2029GJ-385F-2 POSSIBLE MATCH

BRACKET,BEARING,STEAM TURBINE

Possible match (shared part number)Siemens Energy, Inc.

2825-01-168-2031GJ-15SX1 POSSIBLE MATCH

BAFFLE,STEAM TURBINE

Possible match (shared part number)Siemens Energy, Inc.

2825-01-168-2032GJ-110JX1UL POSSIBLE MATCH

HOUSING,LABYRINTH,STEAM TURBINE

Possible match (shared part number)Siemens Energy, Inc.

2825-01-168-2033GJ-110KX POSSIBLE MATCH

HOUSING,LABYRINTH,STEAM TURBINE

Possible match (shared part number)Siemens Energy, Inc.

2825-01-168-2034GJ-110HX1 POSSIBLE MATCH

HOUSING,LABYRINTH,STEAM TURBINE

Possible match (shared part number)Siemens Energy, Inc.

2825-01-168-2035LJ-317 POSSIBLE MATCH

HOUSING,STEAM TURBINE

Possible match (shared part number)Siemens Energy, Inc.

2825-01-168-2036LJ-317X1 POSSIBLE MATCH

HOUSING,STEAM TURBINE

Possible match (shared part number)Siemens Energy, Inc.

2825-01-169-7556MS549BZ POSSIBLE MATCH

COVER ASSEMBLY,TURB

Possible match (shared part number)Siemens Energy, Inc.

2825-01-169-7681GJ-52NE POSSIBLE MATCH

DIAPHRAGM,STEAM TURBINE

Possible match (shared part number)Siemens Energy, Inc.

Cross-Reference Index

Part Number	Manufacturer
GJ-52NAUL PRIMARY	Siemens Energy, Inc. (USA)
H-3503PIECE13	Siemens Energy, Inc. (USA)

Reference documents

Reference	Meaning
H-3503	D/9 Drawing number reference only Siemens Energy, Inc.

Related Parts

5342-01-168-2029POSSIBLE MATCH

BRACKET,BEARING,STEAM TURBINE

GJ-385F-2

2825-01-168-2031POSSIBLE MATCH

BAFFLE,STEAM TURBINE

GJ-15SX1

2825-01-168-2032POSSIBLE MATCH

HOUSING,LABYRINTH,STEAM TURBINE

GJ-110JX1UL

2825-01-168-2033POSSIBLE MATCH

HOUSING,LABYRINTH,STEAM TURBINE

GJ-110KX

2825-01-168-2034POSSIBLE MATCH

HOUSING,LABYRINTH,STEAM TURBINE

GJ-110HX1

2825-01-168-2035POSSIBLE MATCH

HOUSING,STEAM TURBINE

LJ-317

2825-01-168-2036POSSIBLE MATCH

HOUSING,STEAM TURBINE

LJ-317X1

2825-01-169-7556POSSIBLE MATCH

COVER ASSEMBLY,TURB

MS549BZ

2825-01-169-7681POSSIBLE MATCH

DIAPHRAGM,STEAM TURBINE

GJ-52NE

Frequently Asked Questions

What is NSN 2825-01-168-2027?

NSN 2825-01-168-2027 is a Diaphragm,steam Turbine, manufactured by Siemens Energy, Inc., classified under FSC 2825, Steam Turbines and Components. Status: active.

What part numbers are listed for NSN 2825-01-168-2027?

NSN 2825-01-168-2027 has 2 manufacturer part numbers on file: GJ-52NAUL (Siemens Energy, Inc.), H-3503PIECE13 (Siemens Energy, Inc.).

What NSN replaces 2825-01-168-2027?

9 possible matches (shared part number, not a government interchangeability claim): 5342-01-168-2029, 2825-01-168-2031, 2825-01-168-2032. Verify interchangeability with system specifications before substitution.

What are the specifications of GJ-52NAUL?

Key specifications for GJ-52NAUL: General Characteristics Item Description: STEEL,QQ-S-691 CL A1. 1 specification is documented in the U.S. Government catalog.

Is NSN 2825-01-168-2027 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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