The Core Assembly,heat Exchanger,air, cataloged under National Stock Number 1660-01-487-7387, 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 Honeywell International Inc. Div Aerospace - Torrance. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 1660-01-487-7387 |
| Primary Part Number | 566-0157-3 |
| Item Name | Core Assembly,heat Exchanger,air |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Honeywell International Inc. Div Aerospace - Torrance |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 566-0157-3 | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| 566-0157-3 | Grimes Aerospace Company (USA) |
| 566-0157-3 | Honeywell International Inc. Dba Honeywell International (USA) |
| Reference | Meaning |
|---|---|
| 566-0157-3 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1660-01-487-7387 is a Core Assembly,heat Exchanger,air, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-487-7387 has 3 manufacturer part numbers on file: 566-0157-3 (Honeywell International Inc. Div Aerospace - Torrance), 566-0157-3 (Grimes Aerospace Company), 566-0157-3 (Honeywell International Inc. Dba Honeywell International).
Key specifications for 566-0157-3: Criticality Code Justification: AGAV; Part Name Assigned by Controlling Agency: HEAT EXCHANGER, TAGG/GEN CORE ASSEMBLY; End Item Identification: MV-22 AIRCRAFT. 1 specification is 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 1660-01-487-7387 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.