NSN 1660-01-004-2352 · NIIN 010042352 · Part number 477A1141112-001
Lockheed Martin Corporation Div Rotary and Mission Systems · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 38597
Government record, cited
NSN 1660-01-004-2352 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-004-2352. Manufacturer of record part number: 477A1141112-001.
Also searched as1660-01-004-2352 ·
1660010042352 ·
NIIN 010042352 ·
01-004-2352 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 38597 · 477A1141112-001
Nearby stock numbers← 1660-01-004-2351 Adapter Assembly, Cooling System
·
1660-01-004-2362 Duct Assembly, Air Conditioning-H →
Features
Duct,cooling System — FSC 1660
FSC Application Data: AIRCRAFT COOLING SYSTEM
General Characteristics Item Description: ALUMINUM ALLOY,WW&T&700-6 6061&T6,28.000 IN. LG,5.000 IN. OD,WALL THK .063 IN.,.453 IN. DIA HOLE WEAR SIDE ONLY IN
1 manufacturer part number on file
Manufacturer of record: Lockheed Martin Corporation Div Rotary and Mission Systems
Identification
NSN: 1660-01-004-2352
NIIN: 010042352
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: 477A1141112-001
Manufacturer: Lockheed Martin Corporation Div Rotary and Mission Systems
General Description
The Duct,cooling System, cataloged under National Stock Number 1660-01-004-2352, is classified within Federal Supply Class 1660 (Aircraft Air Conditioning, Heating, and Pressurizing Equipment) of the Aircraft Components and Accessories group. The manufacturer of record is Lockheed Martin Corporation Div Rotary and Mission Systems. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 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
1660-01-004-2352
Primary Part Number
477A1141112-001
Item Name
Duct,cooling System
FSC / FSG
1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
Manufacturer
Lockheed Martin Corporation Div Rotary and Mission Systems
Status
ACTIVE
FSC Application Data
AIRCRAFT COOLING SYSTEM
General Characteristics Item Description
ALUMINUM ALLOY,WW&T&700-6 6061&T6,28.000 IN. LG,5.000 IN. OD,WALL THK .063 IN.,.453 IN. DIA HOLE WEAR SIDE ONLY IN
Lockheed Martin Corporation Div Rotary and Mission Systems (USA)
No interchangeability data on file.
Other items in FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1660-00-001-1693
DUCT ASSEMBLY,AIR CONDITIONING-H
1660-00-001-1754
BAFFLE,AIR
1660-00-001-2491
CAGE,BYPASS VALVE
1660-00-001-2493
1660-00-001-2493 · Item name not on file
1660-00-001-2496
CONTROL BOX,ELECTRICAL-ELECTRONI
1660-00-001-2497
1660-00-001-2497 · Item name not on file
1660-00-001-4130
1660-00-001-4130 · Item name not on file
1660-00-001-4479
CONTROLLER,AIR PRESSURE,AIRCRAFT
Frequently Asked Questions
What is NSN 1660-01-004-2352?
NSN 1660-01-004-2352 is a Duct,cooling System, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
What part numbers are listed for NSN 1660-01-004-2352?
NSN 1660-01-004-2352 has 1 manufacturer part number on file: 477A1141112-001 (Lockheed Martin Corporation Div Rotary and Mission Systems).
What are the specifications of 477A1141112-001?
Key specifications for 477A1141112-001: FSC Application Data: AIRCRAFT COOLING SYSTEM; General Characteristics Item Description: ALUMINUM ALLOY,WW&T&700-6 6061&T6,28.000 IN. LG,5.000 IN. OD,WALL THK .063 IN.,.453 IN. DIA HOLE WEAR SIDE ONLY IN. 2 specifications are documented in the U.S. Government catalog.
Is NSN 1660-01-004-2352 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 1660-01-004-2352?
NSN 1660-01-004-2352 has DEMIL Code B. 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.