PartsTable TECHNICAL DATA SHEET
NSN 1660-01-689-0491Government record, cited

Duct Assembly, Air Conditioning-H1660-01-689-0491

NSN 1660-01-689-0491 · NIIN 016890491 · Part number 0417 5233
Deutz Corporation · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 62445
Government record, cited
NSN 1660-01-689-0491 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-689-0491. Manufacturer of record part number: 0417 5233.
Also searched as  1660-01-689-0491 · 1660016890491 · NIIN 016890491 · 01-689-0491 · FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 62445 · 0417 5233
Nearby stock numbers  ·
Features
  • Duct Assembly,air Conditioning-H — FSC 1660
  • 1 manufacturer part number on file
  • Manufacturer of record: Deutz Corporation
Identification
  • NSN: 1660-01-689-0491
  • NIIN: 016890491
  • FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
  • FSG: 16 — Aircraft Components and Accessories
  • Primary part number: 0417 5233
  • Manufacturer: Deutz Corporation
General Description

The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 1660-01-689-0491, 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 Deutz Corporation. 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
NSN1660-01-689-0491
Primary Part Number0417 5233
Item NameDuct Assembly,air Conditioning-H
FSC / FSG1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
ManufacturerDeutz Corporation
StatusACTIVE
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
0417 5233 PRIMARY Deutz Corporation (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 1660-01-689-0491?

NSN 1660-01-689-0491 is a Duct Assembly,air Conditioning-H, manufactured by Deutz Corporation, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.

What part numbers are listed for NSN 1660-01-689-0491?

NSN 1660-01-689-0491 has 1 manufacturer part number on file: 0417 5233 (Deutz Corporation).

What are the specifications of 0417 5233?

Key specifications for 0417 5233: Part Name Assigned by Controlling Agency: DUCT,AIR. 0 specifications are documented in the U.S. Government catalog.

Is NSN 1660-01-689-0491 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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