The Heat Exchanger,air to Air,aircra, cataloged under National Stock Number 1660-01-665-5778, 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 Thermally Engineered Manufactured Products, Inc Dba Temp Inc.. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Heat Exchanger,air to Air,aircra |
| FSC / FSG | 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment (FSG 16) |
| Manufacturers | General Atomics Aeronautical Systems, Inc. (CAGE 0YJB5); Thermally Engineered Manufactured Products, Inc Dba Temp Inc. (CAGE 1NVX5) |
| Parameter | Value |
|---|---|
| NSN | 1660-01-665-5778 |
| Primary Part Number | 16420-2 |
| Item Name | Heat Exchanger,air to Air,aircra |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Thermally Engineered Manufactured Products, Inc Dba Temp Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SCD01730-1 | General Atomics Aeronautical Systems, Inc. (USA) |
| 16420-2 PRIMARY | Thermally Engineered Manufactured Products, Inc Dba Temp Inc. (USA) |
NSN 1660-01-665-5778 is a Heat Exchanger,air to Air,aircra, manufactured by Thermally Engineered Manufactured Products, Inc Dba Temp Inc., classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-665-5778 has 2 manufacturer part numbers on file: SCD01730-1 (General Atomics Aeronautical Systems, Inc.), 16420-2 (Thermally Engineered Manufactured Products, Inc Dba Temp Inc.).
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 1660-01-665-5778 has DEMIL Code Q. 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.