NSN 1660-01-204-7541 · NIIN 012047541 · Part number L5351016-001
The Boeing Company Div Legacy Am&m · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 43999
Government record, cited
NSN 1660-01-204-7541 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-204-7541. Manufacturer of record part number: L5351016-001.
Also searched as1660-01-204-7541 ·
1660012047541 ·
NIIN 012047541 ·
01-204-7541 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 43999 · L5351016-001
Nearby stock numbers← 1660-01-204-7540 Duct Assembly, Air Conditioning-H
·
1660-01-204-7542 Duct Assembly, Air Conditioning-H →
Features
Duct Assembly,air Conditioning-H — FSC 1660
Aircraft Station Number: YF382
Aircraft Location: AFT CREW AVIONICS LOWER LEFT SIDE AIR DUCT ASSEMBLY
Aircraft Mission Design Series: B-1B
1 manufacturer part number on file
Manufacturer of record: The Boeing Company Div Legacy Am&m
Identification
NSN: 1660-01-204-7541
NIIN: 012047541
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: L5351016-001
Manufacturer: The Boeing Company Div Legacy Am&m
General Description
The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 1660-01-204-7541, 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 The Boeing Company Div Legacy Am&m. Government technical data includes 3 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
1660-01-204-7541
Primary Part Number
L5351016-001
Item Name
Duct Assembly,air Conditioning-H
FSC / FSG
1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
Manufacturer
The Boeing Company Div Legacy Am&m
Status
ACTIVE
Aircraft Station Number
YF382
Aircraft Location
AFT CREW AVIONICS LOWER LEFT SIDE AIR DUCT ASSEMBLY
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.
1660-00-006-4472
FLANGE,VALVE BODY
1660-00-009-5646
ADAPTER ASSEMBLY,BELLOWS
1660-00-019-8389
1660-00-019-8389 · Item name not on file
1660-00-019-8399
1660-00-019-8399 · Item name not on file
1660-00-031-5285
1660-00-031-5285 · Item name not on file
1660-00-302-4390
PISTON,REGULATING V
1660-00-441-0575
PISTON
1660-01-601-0729
ETHERNET SWITCH
Frequently Asked Questions
What is NSN 1660-01-204-7541?
NSN 1660-01-204-7541 is a Duct Assembly,air Conditioning-H, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
What part numbers are listed for NSN 1660-01-204-7541?
NSN 1660-01-204-7541 has 1 manufacturer part number on file: L5351016-001 (The Boeing Company Div Legacy Am&m).
What are the specifications of L5351016-001?
Key specifications for L5351016-001: Aircraft Station Number: YF382; Special Features: CONSIST OF TWO DUCT; NHA L5351000; Aircraft Location: AFT CREW AVIONICS LOWER LEFT SIDE AIR DUCT ASSEMBLY; End Item Identification: B-1B AIRCRAFT. 3 specifications are documented in the U.S. Government catalog.
Is NSN 1660-01-204-7541 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 1660-01-204-7541?
NSN 1660-01-204-7541 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.