FSC 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · FSG 28 — Engines, Turbines, and Components
Government record, cited
Also searched as2840-01-428-7798 ·
2840014287798 ·
NIIN 014287798 ·
01-428-7798 ·
FSC 2840 Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
Nearby stock numbers← 2840-01-428-7797 Case, Diffuser, Aircraft Gas Turbi
·
2840-01-428-8988 Rotor, Turbine, Aircraft Gas Turbi →
Features
Diffuser,aircraft Gas Turbine En — FSC 2840
Design Type: CENTRIFUGAL
Criticality Code Justification: APGF AND CZBJ AND ABMZ AND ABHP AND AGAV
Material Document and Classification: AMS5383 INCONEL 718 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Diameter: 21.899 INCHES MINIMUM AND 21.901 INCHES MAXIMUM IN
Engine Section Location: COMPRESSOR
Material: NICKEL ALLOY OVERALL
Identification
NSN: 2840-01-428-7798
NIIN: 014287798
FSC: 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
FSG: 28 — Engines, Turbines, and Components
General Description
The Diffuser,aircraft Gas Turbine En, cataloged under National Stock Number 2840-01-428-7798, 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 6 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
2840-01-428-7798
Item Name
Diffuser,aircraft Gas Turbine En
FSC / FSG
2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
Status
ACTIVE
Design Type
CENTRIFUGAL
Criticality Code Justification
APGF AND CZBJ AND ABMZ AND ABHP AND AGAV
Material Document and Classification
AMS5383 INCONEL 718 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Diameter
21.899 INCHES MINIMUM AND 21.901 INCHES MAXIMUM IN
Engine Section Location
COMPRESSOR
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
Y
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
3091686-1
3/2Design 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 2840-01-428-7798?
NSN 2840-01-428-7798 is a Diffuser,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 2840-01-428-7798?
Key specifications for 2840-01-428-7798: Design Type: CENTRIFUGAL; Criticality Code Justification: APGF AND CZBJ AND ABMZ AND ABHP AND AGAV; Material Document and Classification: AMS5383 INCONEL 718 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Diameter: 21.899 INCHES MINIMUM AND 21.901 INCHES MAXIMUM IN. 6 specifications are documented in the U.S. Government catalog.
Is NSN 2840-01-428-7798 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.