The Core Assembly,fluid Cooler, cataloged under National Stock Number 4420-00-725-7565, is classified within Federal Supply Class 4420 (Heat Exchangers and Steam Condensers) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Rolls-Royce Solutions America Inc. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Core Assembly,fluid Cooler |
| FSC / FSG | 4420 — Heat Exchangers and Steam Condensers (FSG 44) |
| Manufacturers | Rolls-Royce Solutions America Inc (CAGE 72582); Naval Inventory Control Point Mechanicsburg (CAGE 03950) |
| Parameter | Value |
|---|---|
| NSN | 4420-00-725-7565 |
| Primary Part Number | 23519608 |
| Item Name | Core Assembly,fluid Cooler |
| FSC / FSG | 4420 / 44 — Heat Exchangers and Steam Condensers |
| Manufacturer | Rolls-Royce Solutions America Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 23519608 PRIMARY | Rolls-Royce Solutions America Inc (USA) |
| 5120895 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 5102389 | 5/9 Secondary reference Rolls-Royce Solutions America Inc |
| 5120895 | C/1 Advisory reference — outside the item-of-supply concept Rolls-Royce Solutions America Inc |
NSN 4420-00-725-7565 is a Core Assembly,fluid Cooler, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
NSN 4420-00-725-7565 has 2 manufacturer part numbers on file: 23519608 (Rolls-Royce Solutions America Inc), 5120895 (Naval Inventory Control Point Mechanicsburg).
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.