NSN 1680-01-529-3741 · NIIN 015293741 · Part number T4140-0001-001
Lockheed Martin Corporation Div Rotary and Mission Systems · FSC 1680 — Miscellaneous Aircraft Accessories and Components · FSG 16 — Aircraft Components and Accessories · CAGE 03640
Government record, cited
NSN 1680-01-529-3741 — this item is cataloged by the U.S. Government under National Stock Number 1680-01-529-3741. Manufacturer of record part number: T4140-0001-001.
Also searched as1680-01-529-3741 ·
1680015293741 ·
NIIN 015293741 ·
01-529-3741 ·
FSC 1680 Miscellaneous Aircraft Accessories and Components · CAGE 03640 · T4140-0001-001
Nearby stock numbers← 1680-01-529-3739 Twt Assy Fan, R, T an
·
1680-01-529-4305 Insulation Blanket, Cabin, Aircraf →
Features
Fan,r,t and Sdp,air — FSC 1680
1 manufacturer part number on file
Manufacturer of record: Lockheed Martin Corporation Div Rotary and Mission Systems
Identification
NSN: 1680-01-529-3741
NIIN: 015293741
FSC: 1680 — Miscellaneous Aircraft Accessories and Components
FSG: 16 — Aircraft Components and Accessories
Primary part number: T4140-0001-001
Manufacturer: Lockheed Martin Corporation Div Rotary and Mission Systems
General Description
The Fan,r,t and Sdp,air, cataloged under National Stock Number 1680-01-529-3741, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Lockheed Martin Corporation Div Rotary and Mission Systems. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Catalog Facts
Item Name
Fan,r,t and Sdp,air
FSC / FSG
1680 — Miscellaneous Aircraft Accessories and Components (FSG 16)
Manufacturers
Lockheed Martin Corporation Div Rotary and Mission Systems (CAGE 03640)
Technical Specifications
Parameter
Value
NSN
1680-01-529-3741
Primary Part Number
T4140-0001-001
Item Name
Fan,r,t and Sdp,air
FSC / FSG
1680 / 16 — Miscellaneous Aircraft Accessories and Components
Manufacturer
Lockheed Martin Corporation Div Rotary and Mission Systems
Lockheed Martin Corporation Div Rotary and Mission Systems (USA)
No interchangeability data on file.
Other items in FSC 1680 — Miscellaneous Aircraft Accessories and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1680-00-001-1736
DUCT ASSEMBLY,BRANCHED
1680-00-003-3721
1680-00-003-3721 · Item name not on file
1680-00-009-3782
PISTON,EJECTOR,INNER
1680-00-009-6180
1680-00-009-6180 · Item name not on file
1680-00-475-0002
TIP,RUBBER CONTROL
1680-00-696-6170
ADAPTER,SCREW END A
1680-00-867-7158
COVER,GEARCASE
1680-00-885-0923
KNOB ASSY,LANDING G
Frequently Asked Questions
What is NSN 1680-01-529-3741?
NSN 1680-01-529-3741 is a Fan,r,t and Sdp,air, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
What part numbers are listed for NSN 1680-01-529-3741?
NSN 1680-01-529-3741 has 1 manufacturer part number on file: T4140-0001-001 (Lockheed Martin Corporation Div Rotary and Mission Systems).
Is NSN 1680-01-529-3741 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.
What is the DEMIL code for NSN 1680-01-529-3741?
NSN 1680-01-529-3741 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.