The Heat Exchanger,air to Air,aircra, cataloged under National Stock Number 1660-01-708-7531, 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 Rix Industries. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Heat Exchanger,air to Air,aircra |
| FSC / FSG | 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment (FSG 16) |
| Manufacturers | Rix Industries (CAGE 28953) |
| Parameter | Value |
|---|---|
| NSN | 1660-01-708-7531 |
| Primary Part Number | 71-19016 |
| Item Name | Heat Exchanger,air to Air,aircra |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Rix Industries |
| 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 |
|---|---|
| 18434-ITEM-12 | Rix Industries (USA) |
| 71-19016 PRIMARY | Rix Industries (USA) |
| Reference | Meaning |
|---|---|
| 18343 REV K SHEET 1 FIND 12 | D/9 Drawing number reference only Rix Industries |
NSN 1660-01-708-7531 is a Heat Exchanger,air to Air,aircra, manufactured by Rix Industries, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-708-7531 has 2 manufacturer part numbers on file: 18434-ITEM-12 (Rix Industries), 71-19016 (Rix Industries).
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.