FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories
Government record, cited
Also searched as1660-01-201-6745 ·
1660012016745 ·
NIIN 012016745 ·
01-201-6745 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment
Nearby stock numbers← 1660-01-201-6158 Separator, Water, Aircraft Air Con
·
1660-01-201-7592 Panel Assembly, Anti-G →
Features
Duct Assembly,air Conditioning-H — FSC 1660
Aircraft Station Number: FS1098.0 TO FS1178.0
Material Document and Classification: QQ-A-362 FED SPEC SINGLE MATERIAL RESPONSE
Height: 8.000 INCHES NOMINAL IN
Aircraft Location: DISTRIBUTION CARGO FLOOR HEAT
Material: ALUMINUM ALLOY 2024
Aircraft Mission Design Series: C-141
Identification
NSN: 1660-01-201-6745
NIIN: 012016745
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
General Description
The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 1660-01-201-6745, is classified within Federal Supply Class 1660 (Aircraft Air Conditioning, Heating, and Pressurizing Equipment) of the Aircraft Components and Accessories 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6 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
1660-01-201-6745
Item Name
Duct Assembly,air Conditioning-H
FSC / FSG
1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
Status
ACTIVE
Aircraft Station Number
FS1098.0 TO FS1178.0
Material Document and Classification
QQ-A-362 FED SPEC SINGLE MATERIAL RESPONSE
Height
8.000 INCHES NOMINAL IN
Aircraft Location
DISTRIBUTION CARGO FLOOR HEAT
Material
ALUMINUM ALLOY 2024
Aircraft Mission Design Series
C-141
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
3A40003-101
3/2Design control — primary reference
U.S. Government activity
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 1660-01-201-6745?
NSN 1660-01-201-6745 is a Duct Assembly,air Conditioning-H, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
What are the specifications of 1660-01-201-6745?
Key specifications for 1660-01-201-6745: Aircraft Station Number: FS1098.0 TO FS1178.0; Material Document and Classification: QQ-A-362 FED SPEC SINGLE MATERIAL RESPONSE; Overall Length: 79.000 INCHES NOMINAL IN; Height: 8.000 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.
Is NSN 1660-01-201-6745 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.