The Heat Exchanger,oil, cataloged under National Stock Number 1650-00-438-4477, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. The manufacturer of record is American Fuel Cell and Coated Fabrics Company, Llc. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 1650-00-438-4477 |
| Primary Part Number | FCD54705-19 |
| Item Name | Heat Exchanger,oil |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | American Fuel Cell and Coated Fabrics Company, Llc |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY RUBBER COATED,14.0 IN LG,8.5 IN. W,8.35 IN. HHYDRAULIC FLUID COOLED BY FUEL,APPL F-4 A/C A |
| 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 |
|---|---|
| 53-58147-19 | The Boeing Company Div Defense (USA) |
| FCD54705-19 PRIMARY | American Fuel Cell and Coated Fabrics Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| FCD54705-19 | 5/9 Secondary reference Royal Holdings, Inc. |
NSN 1650-00-438-4477 is a Heat Exchanger,oil, manufactured by American Fuel Cell and Coated Fabrics Company, Llc, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-00-438-4477 has 2 manufacturer part numbers on file: 53-58147-19 (The Boeing Company Div Defense), FCD54705-19 (American Fuel Cell and Coated Fabrics Company, Llc).
Key specifications for FCD54705-19: General Characteristics Item Description: ALUMINUM ALLOY RUBBER COATED,14.0 IN LG,8.5 IN. W,8.35 IN. HHYDRAULIC FLUID COOLED BY FUEL,APPL F-4 A/C A. 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 1650-00-438-4477 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.