PartsTable TECHNICAL DATA SHEET
NSN 1660-01-535-8223Government record, cited

Duct Assembly, Air Conditioning-H1660-01-535-8223

NSN 1660-01-535-8223 · NIIN 015358223 · Part number L5361817-021
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 1660-01-535-8223 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-535-8223. Manufacturer of record part number: L5361817-021.
Also searched as  1660-01-535-8223 · 1660015358223 · NIIN 015358223 · 01-535-8223 · FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 43999 · L5361817-021
Nearby stock numbers  ·
Features
  • Duct Assembly,air Conditioning-H — FSC 1660
  • Material Thickness: 0.035 INCHES NOMINAL IN
  • Material: ALUMINUM ALLOY 6061
  • Aircraft Mission Design Series: B-1B
  • 1 manufacturer part number on file
  • Manufacturer of record: The Boeing Company Div Legacy Am&m
Identification
  • NSN: 1660-01-535-8223
  • NIIN: 015358223
  • FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
  • FSG: 16 — Aircraft Components and Accessories
  • Primary part number: L5361817-021
  • Manufacturer: The Boeing Company Div Legacy Am&m
General Description

The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 1660-01-535-8223, 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
ParameterValue
NSN1660-01-535-8223
Primary Part NumberL5361817-021
Item NameDuct Assembly,air Conditioning-H
FSC / FSG1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
ManufacturerThe Boeing Company Div Legacy Am&m
StatusACTIVE
Material Thickness0.035 INCHES NOMINAL IN
MaterialALUMINUM ALLOY 6061
Aircraft Mission Design SeriesB-1B
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
L5361817-021 PRIMARY The Boeing Company Div Legacy Am&m (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.
1660-00-006-4472
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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 1660-01-535-8223?

NSN 1660-01-535-8223 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 1660-01-535-8223?

NSN 1660-01-535-8223 has 1 manufacturer part number on file: L5361817-021 (The Boeing Company Div Legacy Am&m).

What are the specifications of L5361817-021?

Key specifications for L5361817-021: Material Thickness: 0.035 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: DUCT, AIR DISTRIBUTION-CWIU, SECBM, ASSY OF; Material: ALUMINUM ALLOY 6061; Aircraft Mission Design Series: B-1B. 3 specifications are documented in the U.S. Government catalog.

Is NSN 1660-01-535-8223 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.
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