The Cooler,fuel-Oil, cataloged under National Stock Number 1650-00-438-4452, 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 Grimes Aerospace Company. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-00-438-4452 |
| Primary Part Number | 53-58147-17 |
| Item Name | Cooler,fuel-Oil |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Grimes Aerospace Company |
| 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 | F |
| Part Number | Manufacturer |
|---|---|
| FCD54705-17 | Royal Holdings, Inc. (USA) |
| FCD54705-17 | Grimes Aerospace Company (USA) |
| 53-58147-17 PRIMARY | Grimes Aerospace Company (USA) |
| 00-58147-17 | Royal Holdings, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 53-58147-17 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| FCD54705-17 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
NSN 1650-00-438-4452 is a Cooler,fuel-Oil, manufactured by Grimes Aerospace Company, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-00-438-4452 has 4 manufacturer part numbers on file: FCD54705-17 (Royal Holdings, Inc.), FCD54705-17 (Grimes Aerospace Company), 53-58147-17 (Grimes Aerospace Company), 00-58147-17 (Royal Holdings, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 1660-01-425-5198. Verify interchangeability with system specifications before substitution.
Key specifications for 53-58147-17: 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 1650-00-438-4452 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.