PartsTable TECHNICAL DATA SHEET

NSN 2840-01-347-2181Government record, cited

Case, Fan, Aircraft Gas Turbine En2840-01-347-2181

NSN 2840-01-347-2181 · NIIN 013472181

FSC 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · FSG 28 — Engines, Turbines, and Components

Government record, cited

Also searched as 2840-01-347-2181 · 2840013472181 · NIIN 013472181 · 01-347-2181 · FSC 2840 Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components

Nearby stock numbers ← 2840-01-347-2180 Case, Turbine, Aircraft Gas Turbin · 2840-01-347-2182 Case, Fan, Aircraft Gas Turbine En →

Features

Case,fan,aircraft Gas Turbine En — FSC 2840
Criticality Code Justification: AGAV
Diameter: 20.621 INCHES MINIMUM AND 20.625 INCHES MAXIMUM IN
Engine Section Location: FAN
Material Thickness: 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
Material: STEEL OUTER CASE

Identification

NSN: 2840-01-347-2181
NIIN: 013472181
FSC: 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
FSG: 28 — Engines, Turbines, and Components

General Description

The Case,fan,aircraft Gas Turbine En, cataloged under National Stock Number 2840-01-347-2181, is classified within Federal Supply Class 2840 (Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components) of the Engines, Turbines, and Components group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	2840-01-347-2181
Item Name	Case,fan,aircraft Gas Turbine En
FSC / FSG	2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
Status	ACTIVE
Criticality Code Justification	AGAV
Diameter	20.621 INCHES MINIMUM AND 20.625 INCHES MAXIMUM IN
Engine Section Location	FAN
Material Thickness	0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
Material	STEEL OUTER CASE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	Y

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
3097233-2	3/2 Design control — primary reference U.S. Government activity

No interchangeability data on file.

Other items in FSC 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

2840-00-000-0048

ENGINE,AIRCRAFT,TURBO-SHAFT

2840-00-000-0049

MODIFICATION KIT,ENGINE

2840-00-001-1741

CASE AND NOZZLE ASSEMBLY,TURBINE

2840-00-001-1743

2840-00-001-1743 · Item name not on file

2840-00-001-2117

2840-00-001-2117 · Item name not on file

2840-00-001-2284

2840-00-001-2284 · Item name not on file

2840-00-001-3922

2840-00-001-3922 · Item name not on file

2840-00-001-4903

SEAL,AIR,AIRCRAFT GAS TURBINE EN

Frequently Asked Questions

What is NSN 2840-01-347-2181?

NSN 2840-01-347-2181 is a Case,fan,aircraft Gas Turbine En, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.

What are the specifications of 2840-01-347-2181?

Key specifications for 2840-01-347-2181: Criticality Code Justification: AGAV; Diameter: 20.621 INCHES MINIMUM AND 20.625 INCHES MAXIMUM IN; Overall Length: 3.903 INCHES MINIMUM AND 3.909 INCHES MAXIMUM IN; Engine Section Location: FAN. 5 specifications are documented in the U.S. Government catalog.

Is NSN 2840-01-347-2181 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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