Duct Assembly, Air Conditioning-H1660-01-662-4201

NSN 1660-01-662-4201 · NIIN 016624201 · Part number 369H92475-101

Md Helicopters Inc · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 1KVX4

Government record, cited

NSN 1660-01-662-4201 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-662-4201. Manufacturer of record part number: 369H92475-101.

Also searched as 1660-01-662-4201 · 1660016624201 · NIIN 016624201 · 01-662-4201 · FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 1KVX4 · 369H92475-101 · 369D22009-101 · 369H92475-83 · 369H92475-107 · 369D22009-109

Nearby stock numbers ← 1660-01-662-3904 Filter Element, Air Conditioning · 1660-01-662-4458 Heat Exchanger, Air to Air, Aircra →

Features

Duct Assembly,air Conditioning-H — FSC 1660
5 manufacturer part numbers on file
Manufacturer of record: Md Helicopters Inc

Identification

NSN: 1660-01-662-4201
NIIN: 016624201
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: 369H92475-101
Manufacturer: Md Helicopters Inc

General Description

The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 1660-01-662-4201, 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 Md Helicopters Inc. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Duct Assembly,air Conditioning-H
FSC / FSG	1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment (FSG 16)
Manufacturers	Md Helicopters Inc (CAGE 1KVX4)

Technical Specifications

Parameter	Value
NSN	1660-01-662-4201
Primary Part Number	369H92475-101
Item Name	Duct Assembly,air Conditioning-H
FSC / FSG	1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
Manufacturer	Md Helicopters Inc
Status	ACTIVE

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

Part Number	Manufacturer
369D22009-101	Md Helicopters Inc (USA)
369H92475-83	Md Helicopters Inc (USA)
369H92475-101 PRIMARY	Md Helicopters Inc (USA)
369H92475-107	Md Helicopters Inc (USA)
369D22009-109	Md Helicopters 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.

1660-00-001-1693

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 1660-01-662-4201?

NSN 1660-01-662-4201 is a Duct Assembly,air Conditioning-H, manufactured by Md Helicopters Inc, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.

What part numbers are listed for NSN 1660-01-662-4201?

NSN 1660-01-662-4201 has 5 manufacturer part numbers on file: 369D22009-101 (Md Helicopters Inc), 369H92475-83 (Md Helicopters Inc), 369H92475-101 (Md Helicopters Inc), 369H92475-107 (Md Helicopters Inc), 369D22009-109 (Md Helicopters Inc).

Is NSN 1660-01-662-4201 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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