The Housing,air Outlet,aircraft, cataloged under National Stock Number 1660-01-320-3856, 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 L3 Technologies, Inc. Div Communication Systems-East. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-320-3856 |
| Primary Part Number | 8683291-501 |
| Item Name | Housing,air Outlet,aircraft |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | L3 Technologies, Inc. Div Communication Systems-East |
| Status | ACTIVE |
| General Characteristics Item Description | SUBMITTED PACKAGE NAME,PLENUM BLOWER; CORRECT ITEM NAME,HOUSING,CENTRIFUGAL FAN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 8683291-501 PRIMARY | L3 Technologies, Inc. Div Communication Systems-East (USA) |
| Reference | Meaning |
|---|---|
| 8683291-501 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
NSN 1660-01-320-3856 is a Housing,air Outlet,aircraft, manufactured by L3 Technologies, Inc. Div Communication Systems-East, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-320-3856 has 1 manufacturer part number on file: 8683291-501 (L3 Technologies, Inc. Div Communication Systems-East).
Key specifications for 8683291-501: General Characteristics Item Description: SUBMITTED PACKAGE NAME,PLENUM BLOWER; CORRECT ITEM NAME,HOUSING,CENTRIFUGAL FAN. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1660-01-320-3856 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.