The Heat Exchanger,air to Air,aircra, cataloged under National Stock Number 1660-01-366-6241, 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 Rayco Manufacturing Co Inc Dba Rayco Manufacturing Div Div Rayco Manufacturing Division. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-366-6241 |
| Primary Part Number | 333030-000 |
| Item Name | Heat Exchanger,air to Air,aircra |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Rayco Manufacturing Co Inc Dba Rayco Manufacturing Div Div Rayco Manufacturing Division |
| Status | ACTIVE |
| Case with Built-in Condensate Drain Pan | NOT INCLUDED |
| Tube Circuit Quantity | 1 |
| Material | ALUMINUM ALLOY CASE |
| Material | ALUMINUM ALLOY TUBE |
| Coil Tube Quantity | 53 |
| Cooling Medium | ANY ACCEPTABLE |
| 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 |
|---|---|
| 333030-000 | Rayco Manufacturing Co Inc Dba Rayco Manufacturing Div Div Rayco Manufacturing Division (USA) |
| Reference | Meaning |
|---|---|
| 333030-000 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1660-01-366-6241 is a Heat Exchanger,air to Air,aircra, manufactured by Rayco Manufacturing Co Inc Dba Rayco Manufacturing Div Div Rayco Manufacturing Division, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-366-6241 has 1 manufacturer part number on file: 333030-000 (Rayco Manufacturing Co Inc Dba Rayco Manufacturing Div Div Rayco Manufacturing Division).
Key specifications for 333030-000: Overall Height: 6.020 INCHES MINIMUM AND 6.050 INCHES MAXIMUM IN; Case with Built-in Condensate Drain Pan: NOT INCLUDED; Overall Width: 9.928 INCHES MINIMUM AND 9.948 INCHES MAXIMUM IN; Tube Circuit Quantity: 1. 6 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 1660-01-366-6241 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.