The Heat Exchanger,air to Water,airc, cataloged under National Stock Number 1660-01-140-9599, 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 Raytheon Company Div Rmd Strategic. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 1660-01-140-9599 |
| Primary Part Number | 1636235 |
| Item Name | Heat Exchanger,air to Water,airc |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Raytheon Company Div Rmd Strategic |
| Status | ACTIVE |
| 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 |
|---|---|
| 1636235 PRIMARY | Raytheon Company Div Rmd Strategic (USA) |
| Reference | Meaning |
|---|---|
| 1636235 | C/1 Advisory reference — outside the item-of-supply concept C&h Hydraulics Inc Dba C & H Hydraulics Inc |
| 1636235 | 5/9 Secondary reference C & H Hydraulics, Inc Dba Acme Divac Industries Use CAGE Code 6n016 for Cataloging |
NSN 1660-01-140-9599 is a Heat Exchanger,air to Water,airc, manufactured by Raytheon Company Div Rmd Strategic, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-140-9599 has 1 manufacturer part number on file: 1636235 (Raytheon Company Div Rmd Strategic).
Key specifications for 1636235: Special Features: LIQUID TO AIR; METAL; End Item Identification: AN/TPQ-37 RADAR SET. 0 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 1660-01-140-9599 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.