The Heat Exchanger,air to Air,aircra, cataloged under National Stock Number 1660-01-398-6216, 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 Ge Aviation Systems Llc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Heat Exchanger,air to Air,aircra |
| FSC / FSG | 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment (FSG 16) |
| Manufacturers | Ge Aviation Systems Llc (CAGE 35012) |
| Parameter | Value |
|---|---|
| NSN | 1660-01-398-6216 |
| Primary Part Number | 708498-4 |
| Item Name | Heat Exchanger,air to Air,aircra |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Ge Aviation Systems Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 708498-4 PRIMARY | Ge Aviation Systems Llc (USA) |
| Reference | Meaning |
|---|---|
| 708498-4 | 3/9 Design control — primary reference Ge Aviation Systems Llc Dba Ge Aviation |
| 708498-4 | 5/9 Secondary reference Ge Aviation Systems Llc Dba Ge Aviation Systems Llc |
NSN 1660-01-398-6216 is a Heat Exchanger,air to Air,aircra, manufactured by Ge Aviation Systems Llc, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-398-6216 has 1 manufacturer part number on file: 708498-4 (Ge Aviation Systems 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.