NSN 2840-01-554-2426 · NIIN 015542426 · Part number LE49953-501
Allclear Aerospace & Defense, Inc. Dba Allclear Aerospace & Defense Inc · FSC 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · FSG 28 — Engines, Turbines, and Components · CAGE 1ZK21
Government record, cited
NSN 2840-01-554-2426 — this item is cataloged by the U.S. Government under National Stock Number 2840-01-554-2426. Manufacturer of record part number: LE49953-501.
Also searched as2840-01-554-2426 ·
2840015542426 ·
NIIN 015542426 ·
01-554-2426 ·
FSC 2840 Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · CAGE 1ZK21 · LE49953-501
Nearby stock numbers← 2840-01-554-2424 Duct Assembly, Fan C
·
2840-01-554-2583 Seal, Air, Aircraft Gas Turbine En →
Features
Adapter Assembly — FSC 2840
1 manufacturer part number on file
Manufacturer of record: Allclear Aerospace & Defense, Inc. Dba Allclear Aerospace & Defense Inc
Identification
NSN: 2840-01-554-2426
NIIN: 015542426
FSC: 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
The Adapter Assembly, cataloged under National Stock Number 2840-01-554-2426, is classified within Federal Supply Class 2840 (Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Allclear Aerospace & Defense, Inc. Dba Allclear Aerospace & Defense Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
2840-01-554-2426
Primary Part Number
LE49953-501
Item Name
Adapter Assembly
FSC / FSG
2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
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 2840-01-554-2426?
NSN 2840-01-554-2426 is a Adapter Assembly, manufactured by Allclear Aerospace & Defense, Inc. Dba Allclear Aerospace & Defense Inc, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
What part numbers are listed for NSN 2840-01-554-2426?
NSN 2840-01-554-2426 has 1 manufacturer part number on file: LE49953-501 (Allclear Aerospace & Defense, Inc. Dba Allclear Aerospace & Defense Inc).
What are the specifications of LE49953-501?
Key specifications for LE49953-501: Special Features: FOR INSTALLATION ON COOLING AIR INLET; Part Name Assigned by Controlling Agency: ADAPTER ASSEMBLY AIR COOLING UNIT; End Item Identification: BELGIAN DEFENSE/AIRCOMPONENT FOR THE GTCP 85-180L/LE AUXILIARY POWER UNITS. 0 specifications are documented in the U.S. Government catalog.
Is NSN 2840-01-554-2426 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.