The Heat Exchanger,air to Air,aircra, cataloged under National Stock Number 1660-01-662-4480, 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 Textron Ground Support Equipment Inc. Div Textron Gse. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). 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 | Textron Ground Support Equipment Inc. Div Textron Gse (CAGE 4TVG2) |
| Parameter | Value |
|---|---|
| NSN | 1660-01-662-4480 |
| Primary Part Number | SP000026 |
| Item Name | Heat Exchanger,air to Air,aircra |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Textron Ground Support Equipment Inc. Div Textron Gse |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SP000026 PRIMARY | Textron Ground Support Equipment Inc. Div Textron Gse (USA) |
NSN 1660-01-662-4480 is a Heat Exchanger,air to Air,aircra, manufactured by Textron Ground Support Equipment Inc. Div Textron Gse, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-662-4480 has 1 manufacturer part number on file: SP000026 (Textron Ground Support Equipment Inc. Div Textron Gse).
1 possible match (shared part number, not a government interchangeability claim): 5985-01-707-9347. Verify interchangeability with system specifications before substitution.
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.