NSN 2840-01-689-0821 · NIIN 016890821 · Part number 510-3705
Caterpillar Inc Div Caterpillar Defense · FSC 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · FSG 28 — Engines, Turbines, and Components · CAGE 11083
Government record, cited
NSN 2840-01-689-0821 — this item is cataloged by the U.S. Government under National Stock Number 2840-01-689-0821. Manufacturer of record part number: 510-3705.
Also searched as2840-01-689-0821 ·
2840016890821 ·
NIIN 016890821 ·
01-689-0821 ·
FSC 2840 Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · CAGE 11083 · 510-3705
Nearby stock numbers← 2840-01-689-0670 Rotor, Fan, Aircraft Gas Turbine E
·
2840-01-689-2382 Adapter, Special →
Features
Deflector,airflow — FSC 2840
1 manufacturer part number on file
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense
Identification
NSN: 2840-01-689-0821
NIIN: 016890821
FSC: 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
FSG: 28 — Engines, Turbines, and Components
Primary part number: 510-3705
Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description
The Deflector,airflow, cataloged under National Stock Number 2840-01-689-0821, 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 Caterpillar Inc Div Caterpillar Defense. 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
2840-01-689-0821
Primary Part Number
510-3705
Item Name
Deflector,airflow
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 2840-01-689-0821?
NSN 2840-01-689-0821 is a Deflector,airflow, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
What part numbers are listed for NSN 2840-01-689-0821?
NSN 2840-01-689-0821 has 1 manufacturer part number on file: 510-3705 (Caterpillar Inc Div Caterpillar Defense).
What are the specifications of 510-3705?
Key specifications for 510-3705: Special Features: QUANTITY-1; Part Name Assigned by Controlling Agency: DELFECTOR, OIL; End Item Identification: GENERATOR. 0 specifications are documented in the U.S. Government catalog.
Is NSN 2840-01-689-0821 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.