The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 1660-01-471-3208, 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 Flexfab Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Duct Assembly,air Conditioning-H |
| FSC / FSG | 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment (FSG 16) |
| Manufacturers | The Boeing Company (CAGE 8V613); Flexfab Llc (CAGE 16632) |
| Parameter | Value |
|---|---|
| NSN | 1660-01-471-3208 |
| Primary Part Number | DOU-1184-0003 |
| Item Name | Duct Assembly,air Conditioning-H |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Flexfab Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7-511A21645-3 | The Boeing Company (USA) |
| DOU-1184-0003 PRIMARY | Flexfab Llc (USA) |
| Reference | Meaning |
|---|---|
| 7-511A21645-3 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
NSN 1660-01-471-3208 is a Duct Assembly,air Conditioning-H, manufactured by Flexfab Llc, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-471-3208 has 2 manufacturer part numbers on file: 7-511A21645-3 (The Boeing Company), DOU-1184-0003 (Flexfab Llc).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.