The Diffuser,air,aircraft Heating an, cataloged under National Stock Number 1660-00-043-3537, 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 Aerospace Lighting Corporation. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-00-043-3537 |
| Primary Part Number | 2346-103 |
| Item Name | Diffuser,air,aircraft Heating an |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Aerospace Lighting Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | USED ON 3E31001-101 CONSOLE |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY SOURCE CONTROL DWG NO. 3A92209-103 |
| 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 |
|---|---|
| 2346-103 | Aerospace Lighting Corporation (USA) |
| Reference | Meaning |
|---|---|
| 3A92209-103 | 1/3 Source control — Government-approved source U.S. Government activity |
| 2346-103 | 5/9 Secondary reference U.S. Government activity |
NSN 1660-00-043-3537 is a Diffuser,air,aircraft Heating an, manufactured by Aerospace Lighting Corporation, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-00-043-3537 has 1 manufacturer part number on file: 2346-103 (Aerospace Lighting Corporation).
Key specifications for 2346-103: General Characteristics Item Description: USED ON 3E31001-101 CONSOLE; Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY SOURCE CONTROL DWG NO. 3A92209-103. 2 specifications are 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 1660-00-043-3537 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.