PartsTable TECHNICAL DATA SHEET
NSN 1660-01-624-6502Government record, cited

Duct Assembly, Air Conditioning-H1660-01-624-6502

NSN 1660-01-624-6502 · NIIN 016246502 · Part number LE49956-501
Allclear Aerospace & Defense, Inc. Dba Allclear Aerospace & Defense Inc · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 1ZK21
Government record, cited
NSN 1660-01-624-6502 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-624-6502. Manufacturer of record part number: LE49956-501.
Also searched as  1660-01-624-6502 · 1660016246502 · NIIN 016246502 · 01-624-6502 · FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 1ZK21 · LE49956-501
Nearby stock numbers  ·
Features
  • Duct Assembly,air Conditioning-H — FSC 1660
  • 1 manufacturer part number on file
  • Manufacturer of record: Allclear Aerospace & Defense, Inc. Dba Allclear Aerospace & Defense Inc
Identification
  • NSN: 1660-01-624-6502
  • NIIN: 016246502
  • FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
  • FSG: 16 — Aircraft Components and Accessories
  • Primary part number: LE49956-501
  • Manufacturer: Allclear Aerospace & Defense, Inc. Dba Allclear Aerospace & Defense Inc
General Description

The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 1660-01-624-6502, 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 Allclear Aerospace & Defense, Inc. Dba Allclear Aerospace & Defense Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts
Item NameDuct Assembly,air Conditioning-H
FSC / FSG1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment (FSG 16)
ManufacturersAllclear Aerospace & Defense, Inc. Dba Allclear Aerospace & Defense Inc (CAGE 1ZK21)
Technical Specifications
ParameterValue
NSN1660-01-624-6502
Primary Part NumberLE49956-501
Item NameDuct Assembly,air Conditioning-H
FSC / FSG1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
ManufacturerAllclear Aerospace & Defense, Inc. Dba Allclear Aerospace & Defense Inc
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
LE49956-501 PRIMARY Allclear Aerospace & Defense, Inc. Dba Allclear Aerospace & Defense Inc (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
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 1660-01-624-6502?

NSN 1660-01-624-6502 is a Duct Assembly,air Conditioning-H, manufactured by Allclear Aerospace & Defense, Inc. Dba Allclear Aerospace & Defense Inc, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.

What part numbers are listed for NSN 1660-01-624-6502?

NSN 1660-01-624-6502 has 1 manufacturer part number on file: LE49956-501 (Allclear Aerospace & Defense, Inc. Dba Allclear Aerospace & Defense Inc).

Is NSN 1660-01-624-6502 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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